397235937

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1607}}^1$

素因数の和:1845

約数の個数: 32

約数和(自身を含む): 617472000

約数和(自身を除く): 220236063

約数列:

[1, 3, 7, 21, 79, 149, 237, 447, 553, 1043, 1607, 1659, 3129, 4821, 11249, 11771, 33747, 35313, 82397, 126953, 239443, 247191, 380859, 718329, 888671, 1676101, 2666013, 5028303, 18915997, 56747991, 132411979, 397235937]

約数ペア:

[(1, 397235937), (3, 132411979), (7, 56747991), (21, 18915997), (79, 5028303), (149, 2666013), (237, 1676101), (447, 888671), (553, 718329), (1043, 380859), (1607, 247191), (1659, 239443), (3129, 126953), (4821, 82397), (11249, 35313), (11771, 33747)]