253260063

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1223}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 442990080

約数和(自身を除く): 189730017

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 173, 399, 519, 1197, 1211, 1223, 1557, 3287, 3633, 3669, 8561, 9861, 10899, 11007, 23009, 23237, 25683, 29583, 69027, 69711, 77049, 162659, 207081, 209133, 211579, 487977, 634737, 1463931, 1481053, 1904211, 4020001, 4443159, 12060003, 13329477, 28140007, 36180009, 84420021, 253260063]

約数ペア:

[(1, 253260063), (3, 84420021), (7, 36180009), (9, 28140007), (19, 13329477), (21, 12060003), (57, 4443159), (63, 4020001), (133, 1904211), (171, 1481053), (173, 1463931), (399, 634737), (519, 487977), (1197, 211579), (1211, 209133), (1223, 207081), (1557, 162659), (3287, 77049), (3633, 69711), (3669, 69027), (8561, 29583), (9861, 25683), (10899, 23237), (11007, 23009)]