81645014025

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{17443}}^1$

素因数の和:17823

約数の個数: 72

約数和(自身を含む): 148809600576

約数和(自身を除く): 67164586551

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 293, 355, 639, 879, 1065, 1465, 1775, 2637, 3195, 4395, 5325, 7325, 13185, 15975, 17443, 20803, 21975, 52329, 62409, 65925, 87215, 104015, 156987, 187227, 261645, 312045, 436075, 520075, 784935, 936135, 1238453, 1308225, 1560225, 3715359, 3924675, 4680675, 5110799, 6192265, 11146077, 15332397, 18576795, 25553995, 30961325, 45997191, 55730385, 76661985, 92883975, 127769975, 229985955, 278651925, 362866729, 383309925, 1088600187, 1149929775, 1814333645, 3265800561, 5443000935, 9071668225, 16329002805, 27215004675, 81645014025]

約数ペア:

[(1, 81645014025), (3, 27215004675), (5, 16329002805), (9, 9071668225), (15, 5443000935), (25, 3265800561), (45, 1814333645), (71, 1149929775), (75, 1088600187), (213, 383309925), (225, 362866729), (293, 278651925), (355, 229985955), (639, 127769975), (879, 92883975), (1065, 76661985), (1465, 55730385), (1775, 45997191), (2637, 30961325), (3195, 25553995), (4395, 18576795), (5325, 15332397), (7325, 11146077), (13185, 6192265), (15975, 5110799), (17443, 4680675), (20803, 3924675), (21975, 3715359), (52329, 1560225), (62409, 1308225), (65925, 1238453), (87215, 936135), (104015, 784935), (156987, 520075), (187227, 436075), (261645, 312045)]