1215691421

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{16529}}^1$

素因数の和:16641

約数の個数: 24

約数和(自身を含む): 1507536000

約数和(自身を除く): 291844579

約数列:

[1, 7, 19, 49, 79, 133, 553, 931, 1501, 3871, 10507, 16529, 73549, 115703, 314051, 809921, 1305791, 2198357, 9140537, 15388499, 24810029, 63983759, 173670203, 1215691421]

約数ペア:

[(1, 1215691421), (7, 173670203), (19, 63983759), (49, 24810029), (79, 15388499), (133, 9140537), (553, 2198357), (931, 1305791), (1501, 809921), (3871, 314051), (10507, 115703), (16529, 73549)]