646610913

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1993}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 1045175040

約数和(自身を除く): 398564127

約数列:

[1, 3, 9, 13, 39, 47, 59, 117, 141, 177, 423, 531, 611, 767, 1833, 1993, 2301, 2773, 5499, 5979, 6903, 8319, 17937, 24957, 25909, 36049, 77727, 93671, 108147, 117587, 233181, 281013, 324441, 352761, 843039, 1058283, 1217723, 1528631, 3653169, 4585893, 5526589, 10959507, 13757679, 16579767, 49739301, 71845657, 215536971, 646610913]

約数ペア:

[(1, 646610913), (3, 215536971), (9, 71845657), (13, 49739301), (39, 16579767), (47, 13757679), (59, 10959507), (117, 5526589), (141, 4585893), (177, 3653169), (423, 1528631), (531, 1217723), (611, 1058283), (767, 843039), (1833, 352761), (1993, 324441), (2301, 281013), (2773, 233181), (5499, 117587), (5979, 108147), (6903, 93671), (8319, 77727), (17937, 36049), (24957, 25909)]