1555142571

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{12791}}^1$

素因数の和:12901

約数の個数: 40

約数和(自身を含む): 2476531200

約数和(自身を除く): 921388629

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 171, 237, 513, 711, 1501, 1539, 2133, 4503, 6399, 12791, 13509, 38373, 40527, 115119, 121581, 243029, 345357, 729087, 1010489, 1036071, 2187261, 3031467, 6561783, 9094401, 19199291, 19685349, 27283203, 57597873, 81849609, 172793619, 518380857, 1555142571]

約数ペア:

[(1, 1555142571), (3, 518380857), (9, 172793619), (19, 81849609), (27, 57597873), (57, 27283203), (79, 19685349), (81, 19199291), (171, 9094401), (237, 6561783), (513, 3031467), (711, 2187261), (1501, 1036071), (1539, 1010489), (2133, 729087), (4503, 345357), (6399, 243029), (12791, 121581), (13509, 115119), (38373, 40527)]