16723125

素因数分解:

$3^3\times 5^4\times {\mathrm{991}}^1$

素因数の和:1020

約数の個数: 40

約数和(自身を含む): 30990080

約数和(自身を除く): 14266955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 991, 1125, 1875, 2973, 3375, 4955, 5625, 8919, 14865, 16875, 24775, 26757, 44595, 74325, 123875, 133785, 222975, 371625, 619375, 668925, 1114875, 1858125, 3344625, 5574375, 16723125]

約数ペア:

[(1, 16723125), (3, 5574375), (5, 3344625), (9, 1858125), (15, 1114875), (25, 668925), (27, 619375), (45, 371625), (75, 222975), (125, 133785), (135, 123875), (225, 74325), (375, 44595), (625, 26757), (675, 24775), (991, 16875), (1125, 14865), (1875, 8919), (2973, 5625), (3375, 4955)]