20170177923

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1\times {\mathrm{5303}}^1$

素因数の和:7935

約数の個数: 32

約数和(自身を含む): 31186501632

約数和(自身を除く): 11016323709

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 2551, 5303, 7653, 15909, 17857, 37121, 53571, 111363, 181121, 376513, 543363, 1129539, 1267847, 2635591, 3803541, 7906773, 13527953, 40583859, 94695671, 284087013, 960484663, 2881453989, 6723392641, 20170177923]

約数ペア:

[(1, 20170177923), (3, 6723392641), (7, 2881453989), (21, 960484663), (71, 284087013), (213, 94695671), (497, 40583859), (1491, 13527953), (2551, 7906773), (5303, 3803541), (7653, 2635591), (15909, 1267847), (17857, 1129539), (37121, 543363), (53571, 376513), (111363, 181121)]