25753221

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 42614264

約数和(自身を除く): 16861043

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 661, 999, 1053, 1443, 1983, 2997, 4329, 5949, 8593, 12987, 17847, 24457, 25779, 38961, 53541, 73371, 77337, 220113, 232011, 317941, 660339, 696033, 953823, 1981017, 2861469, 8584407, 25753221]

約数ペア:

[(1, 25753221), (3, 8584407), (9, 2861469), (13, 1981017), (27, 953823), (37, 696033), (39, 660339), (81, 317941), (111, 232011), (117, 220113), (333, 77337), (351, 73371), (481, 53541), (661, 38961), (999, 25779), (1053, 24457), (1443, 17847), (1983, 12987), (2997, 8593), (4329, 5949)]