72161955

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 135843840

約数和(自身を除く): 63681885

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 93, 129, 135, 155, 215, 279, 387, 401, 465, 645, 837, 1161, 1203, 1333, 1395, 1935, 2005, 3609, 3999, 4185, 5805, 6015, 6665, 10827, 11997, 12431, 17243, 18045, 19995, 35991, 37293, 51729, 54135, 59985, 62155, 86215, 111879, 155187, 179955, 186465, 258645, 335637, 465561, 534533, 559395, 775935, 1603599, 1678185, 2327805, 2672665, 4810797, 8017995, 14432391, 24053985, 72161955]

約数ペア:

[(1, 72161955), (3, 24053985), (5, 14432391), (9, 8017995), (15, 4810797), (27, 2672665), (31, 2327805), (43, 1678185), (45, 1603599), (93, 775935), (129, 559395), (135, 534533), (155, 465561), (215, 335637), (279, 258645), (387, 186465), (401, 179955), (465, 155187), (645, 111879), (837, 86215), (1161, 62155), (1203, 59985), (1333, 54135), (1395, 51729), (1935, 37293), (2005, 35991), (3609, 19995), (3999, 18045), (4185, 17243), (5805, 12431), (6015, 11997), (6665, 10827)]