156937221

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{751}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 270286848

約数和(自身を除く): 113349627

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 107, 217, 279, 321, 651, 749, 751, 963, 1953, 2247, 2253, 3317, 5257, 6741, 6759, 9951, 15771, 23219, 23281, 29853, 47313, 69657, 69843, 80357, 162967, 208971, 209529, 241071, 488901, 562499, 723213, 1466703, 1687497, 2491067, 5062491, 7473201, 17437469, 22419603, 52312407, 156937221]

約数ペア:

[(1, 156937221), (3, 52312407), (7, 22419603), (9, 17437469), (21, 7473201), (31, 5062491), (63, 2491067), (93, 1687497), (107, 1466703), (217, 723213), (279, 562499), (321, 488901), (651, 241071), (749, 209529), (751, 208971), (963, 162967), (1953, 80357), (2247, 69843), (2253, 69657), (3317, 47313), (5257, 29853), (6741, 23281), (6759, 23219), (9951, 15771)]