2128291215

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{4993}}^1$

素因数の和:5339

約数の個数: 32

約数和(自身を含む): 3446579136

約数和(自身を除く): 1318287921

約数列:

[1, 3, 5, 15, 157, 181, 471, 543, 785, 905, 2355, 2715, 4993, 14979, 24965, 28417, 74895, 85251, 142085, 426255, 783901, 903733, 2351703, 2711199, 3919505, 4518665, 11758515, 13555995, 141886081, 425658243, 709430405, 2128291215]

約数ペア:

[(1, 2128291215), (3, 709430405), (5, 425658243), (15, 141886081), (157, 13555995), (181, 11758515), (471, 4518665), (543, 3919505), (785, 2711199), (905, 2351703), (2355, 903733), (2715, 783901), (4993, 426255), (14979, 142085), (24965, 85251), (28417, 74895)]