211027875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 375598080

約数和(自身を除く): 164570205

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 125, 129, 215, 345, 375, 569, 575, 645, 989, 1075, 1707, 1725, 2845, 2875, 2967, 3225, 4945, 5375, 8535, 8625, 13087, 14225, 14835, 16125, 24467, 24725, 39261, 42675, 65435, 71125, 73401, 74175, 122335, 123625, 196305, 213375, 327175, 367005, 370875, 562741, 611675, 981525, 1635875, 1688223, 1835025, 2813705, 3058375, 4907625, 8441115, 9175125, 14068525, 42205575, 70342625, 211027875]

約数ペア:

[(1, 211027875), (3, 70342625), (5, 42205575), (15, 14068525), (23, 9175125), (25, 8441115), (43, 4907625), (69, 3058375), (75, 2813705), (115, 1835025), (125, 1688223), (129, 1635875), (215, 981525), (345, 611675), (375, 562741), (569, 370875), (575, 367005), (645, 327175), (989, 213375), (1075, 196305), (1707, 123625), (1725, 122335), (2845, 74175), (2875, 73401), (2967, 71125), (3225, 65435), (4945, 42675), (5375, 39261), (8535, 24725), (8625, 24467), (13087, 16125), (14225, 14835)]