2181472875

素因数分解:

$3^2\times 5^3\times {\mathrm{971}}^1\times {\mathrm{1997}}^1$

素因数の和:2989

約数の個数: 48

約数和(自身を含む): 3938489568

約数和(自身を除く): 1757016693

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 971, 1125, 1997, 2913, 4855, 5991, 8739, 9985, 14565, 17973, 24275, 29955, 43695, 49925, 72825, 89865, 121375, 149775, 218475, 249625, 364125, 449325, 748875, 1092375, 1939087, 2246625, 5817261, 9695435, 17451783, 29086305, 48477175, 87258915, 145431525, 242385875, 436294575, 727157625, 2181472875]

約数ペア:

[(1, 2181472875), (3, 727157625), (5, 436294575), (9, 242385875), (15, 145431525), (25, 87258915), (45, 48477175), (75, 29086305), (125, 17451783), (225, 9695435), (375, 5817261), (971, 2246625), (1125, 1939087), (1997, 1092375), (2913, 748875), (4855, 449325), (5991, 364125), (8739, 249625), (9985, 218475), (14565, 149775), (17973, 121375), (24275, 89865), (29955, 72825), (43695, 49925)]