2215173825

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 4241930880

約数和(自身を除く): 2026757055

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 79, 81, 135, 183, 225, 227, 237, 305, 395, 405, 549, 675, 681, 711, 915, 1135, 1185, 1525, 1647, 1975, 2025, 2043, 2133, 2745, 3405, 3555, 4575, 4819, 4941, 5675, 5925, 6129, 6399, 8235, 10215, 10665, 13725, 13847, 14457, 17025, 17775, 17933, 18387, 24095, 24705, 30645, 31995, 41175, 41541, 43371, 51075, 53325, 53799, 69235, 72285, 89665, 91935, 120475, 123525, 124623, 130113, 153225, 159975, 161397, 207705, 216855, 268995, 346175, 361425, 373869, 390339, 448325, 459675, 484191, 623115, 650565, 806985, 1038525, 1084275, 1093913, 1121607, 1344975, 1452573, 1869345, 1951695, 2420955, 3115575, 3252825, 3281739, 4034925, 5469565, 5608035, 7262865, 9346725, 9758475, 9845217, 12104775, 16408695, 27347825, 28040175, 29535651, 36314325, 49226085, 82043475, 88606953, 147678255, 246130425, 443034765, 738391275, 2215173825]

約数ペア:

[(1, 2215173825), (3, 738391275), (5, 443034765), (9, 246130425), (15, 147678255), (25, 88606953), (27, 82043475), (45, 49226085), (61, 36314325), (75, 29535651), (79, 28040175), (81, 27347825), (135, 16408695), (183, 12104775), (225, 9845217), (227, 9758475), (237, 9346725), (305, 7262865), (395, 5608035), (405, 5469565), (549, 4034925), (675, 3281739), (681, 3252825), (711, 3115575), (915, 2420955), (1135, 1951695), (1185, 1869345), (1525, 1452573), (1647, 1344975), (1975, 1121607), (2025, 1093913), (2043, 1084275), (2133, 1038525), (2745, 806985), (3405, 650565), (3555, 623115), (4575, 484191), (4819, 459675), (4941, 448325), (5675, 390339), (5925, 373869), (6129, 361425), (6399, 346175), (8235, 268995), (10215, 216855), (10665, 207705), (13725, 161397), (13847, 159975), (14457, 153225), (17025, 130113), (17775, 124623), (17933, 123525), (18387, 120475), (24095, 91935), (24705, 89665), (30645, 72285), (31995, 69235), (41175, 53799), (41541, 53325), (43371, 51075)]