78908175

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 151656960

約数和(自身を除く): 72748785

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 243, 279, 405, 419, 465, 675, 775, 837, 1215, 1257, 1395, 2025, 2095, 2325, 2511, 3771, 4185, 6075, 6285, 6975, 7533, 10475, 11313, 12555, 12989, 18855, 20925, 31425, 33939, 37665, 38967, 56565, 62775, 64945, 94275, 101817, 116901, 169695, 188325, 194835, 282825, 324725, 350703, 509085, 584505, 848475, 974175, 1052109, 1753515, 2545425, 2922525, 3156327, 5260545, 8767575, 15781635, 26302725, 78908175]

約数ペア:

[(1, 78908175), (3, 26302725), (5, 15781635), (9, 8767575), (15, 5260545), (25, 3156327), (27, 2922525), (31, 2545425), (45, 1753515), (75, 1052109), (81, 974175), (93, 848475), (135, 584505), (155, 509085), (225, 350703), (243, 324725), (279, 282825), (405, 194835), (419, 188325), (465, 169695), (675, 116901), (775, 101817), (837, 94275), (1215, 64945), (1257, 62775), (1395, 56565), (2025, 38967), (2095, 37665), (2325, 33939), (2511, 31425), (3771, 20925), (4185, 18855), (6075, 12989), (6285, 12555), (6975, 11313), (7533, 10475)]