28901961837

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1100147}}^1$

素因数の和:1100302

約数の個数: 32

約数和(自身を含む): 49286630400

約数和(自身を除く): 20384668563

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2919, 3753, 8757, 26271, 1100147, 3300441, 7701029, 9901323, 23103087, 29703969, 69309261, 152920433, 207927783, 458761299, 1070443031, 1376283897, 3211329093, 4128851691, 9633987279, 28901961837]

約数ペア:

[(1, 28901961837), (3, 9633987279), (7, 4128851691), (9, 3211329093), (21, 1376283897), (27, 1070443031), (63, 458761299), (139, 207927783), (189, 152920433), (417, 69309261), (973, 29703969), (1251, 23103087), (2919, 9901323), (3753, 7701029), (8757, 3300441), (26271, 1100147)]