1640668887

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{115891}}^1$

素因数の和:115932

約数の個数: 36

約数和(自身を含む): 2805281752

約数和(自身を除く): 1164612865

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1573, 4719, 14157, 115891, 347673, 1043019, 1274801, 1506583, 3824403, 4519749, 11473209, 13559247, 14022811, 16572413, 42068433, 49717239, 126205299, 149151717, 182296543, 546889629, 1640668887]

約数ペア:

[(1, 1640668887), (3, 546889629), (9, 182296543), (11, 149151717), (13, 126205299), (33, 49717239), (39, 42068433), (99, 16572413), (117, 14022811), (121, 13559247), (143, 11473209), (363, 4519749), (429, 3824403), (1089, 1506583), (1287, 1274801), (1573, 1043019), (4719, 347673), (14157, 115891)]