981871215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2753}}^1$

素因数の和:2864

約数の個数: 64

約数和(自身を含む): 1776660480

約数和(自身を除く): 794789265

約数列:

[1, 3, 5, 13, 15, 31, 39, 59, 65, 93, 155, 177, 195, 295, 403, 465, 767, 885, 1209, 1829, 2015, 2301, 2753, 3835, 5487, 6045, 8259, 9145, 11505, 13765, 23777, 27435, 35789, 41295, 71331, 85343, 107367, 118885, 162427, 178945, 256029, 356655, 426715, 487281, 536835, 812135, 1109459, 1280145, 2111551, 2436405, 3328377, 5035237, 5547295, 6334653, 10557755, 15105711, 16641885, 25176185, 31673265, 65458081, 75528555, 196374243, 327290405, 981871215]

約数ペア:

[(1, 981871215), (3, 327290405), (5, 196374243), (13, 75528555), (15, 65458081), (31, 31673265), (39, 25176185), (59, 16641885), (65, 15105711), (93, 10557755), (155, 6334653), (177, 5547295), (195, 5035237), (295, 3328377), (403, 2436405), (465, 2111551), (767, 1280145), (885, 1109459), (1209, 812135), (1829, 536835), (2015, 487281), (2301, 426715), (2753, 356655), (3835, 256029), (5487, 178945), (6045, 162427), (8259, 118885), (9145, 107367), (11505, 85343), (13765, 71331), (23777, 41295), (27435, 35789)]