2021898915

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{116101}}^1$

素因数の和:116161

約数の個数: 40

約数和(自身を含む): 3708762288

約数和(自身を除く): 1686863373

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 116101, 348303, 580505, 1044909, 1741515, 3134727, 4992343, 5224545, 9404181, 14977029, 15673635, 24961715, 44931087, 47020905, 74885145, 134793261, 224655435, 404379783, 673966305, 2021898915]

約数ペア:

[(1, 2021898915), (3, 673966305), (5, 404379783), (9, 224655435), (15, 134793261), (27, 74885145), (43, 47020905), (45, 44931087), (81, 24961715), (129, 15673635), (135, 14977029), (215, 9404181), (387, 5224545), (405, 4992343), (645, 3134727), (1161, 1741515), (1935, 1044909), (3483, 580505), (5805, 348303), (17415, 116101)]