2478735

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 64

約数和(自身を含む): 5237760

約数和(自身を除く): 2759025

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 61, 63, 105, 129, 135, 183, 189, 215, 301, 305, 315, 387, 427, 549, 645, 903, 915, 945, 1161, 1281, 1505, 1647, 1935, 2135, 2623, 2709, 2745, 3843, 4515, 5805, 6405, 7869, 8127, 8235, 11529, 13115, 13545, 18361, 19215, 23607, 39345, 40635, 55083, 57645, 70821, 91805, 118035, 165249, 275415, 354105, 495747, 826245, 2478735]

約数ペア:

[(1, 2478735), (3, 826245), (5, 495747), (7, 354105), (9, 275415), (15, 165249), (21, 118035), (27, 91805), (35, 70821), (43, 57645), (45, 55083), (61, 40635), (63, 39345), (105, 23607), (129, 19215), (135, 18361), (183, 13545), (189, 13115), (215, 11529), (301, 8235), (305, 8127), (315, 7869), (387, 6405), (427, 5805), (549, 4515), (645, 3843), (903, 2745), (915, 2709), (945, 2623), (1161, 2135), (1281, 1935), (1505, 1647)]