1230405579

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{26759}}^1$

素因数の和:26912

約数の個数: 32

約数和(自身を含む): 1978099200

約数和(自身を除く): 747693621

約数列:

[1, 3, 9, 13, 27, 39, 117, 131, 351, 393, 1179, 1703, 3537, 5109, 15327, 26759, 45981, 80277, 240831, 347867, 722493, 1043601, 3130803, 3505429, 9392409, 10516287, 31548861, 45570577, 94646583, 136711731, 410135193, 1230405579]

約数ペア:

[(1, 1230405579), (3, 410135193), (9, 136711731), (13, 94646583), (27, 45570577), (39, 31548861), (117, 10516287), (131, 9392409), (351, 3505429), (393, 3130803), (1179, 1043601), (1703, 722493), (3537, 347867), (5109, 240831), (15327, 80277), (26759, 45981)]