1421775

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 36

約数和(自身を含む): 2611440

約数和(自身を除く): 1189665

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 89, 213, 225, 267, 355, 445, 639, 801, 1065, 1335, 1775, 2225, 3195, 4005, 5325, 6319, 6675, 15975, 18957, 20025, 31595, 56871, 94785, 157975, 284355, 473925, 1421775]

約数ペア:

[(1, 1421775), (3, 473925), (5, 284355), (9, 157975), (15, 94785), (25, 56871), (45, 31595), (71, 20025), (75, 18957), (89, 15975), (213, 6675), (225, 6319), (267, 5325), (355, 4005), (445, 3195), (639, 2225), (801, 1775), (1065, 1335)]