123515637

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{887}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 198912000

約数和(自身を除く): 75396363

約数列:

[1, 3, 7, 19, 21, 57, 133, 349, 399, 887, 1047, 2443, 2661, 6209, 6631, 7329, 16853, 18627, 19893, 46417, 50559, 117971, 139251, 309563, 353913, 928689, 2166941, 5881697, 6500823, 17645091, 41171879, 123515637]

約数ペア:

[(1, 123515637), (3, 41171879), (7, 17645091), (19, 6500823), (21, 5881697), (57, 2166941), (133, 928689), (349, 353913), (399, 309563), (887, 139251), (1047, 117971), (2443, 50559), (2661, 46417), (6209, 19893), (6631, 18627), (7329, 16853)]