207847251

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 337708800

約数和(自身を除く): 129861549

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 129, 171, 207, 387, 437, 817, 989, 1229, 1311, 2451, 2967, 3687, 3933, 7353, 8901, 11061, 18791, 23351, 28267, 52847, 56373, 70053, 84801, 158541, 169119, 210159, 254403, 475623, 537073, 1004093, 1215481, 1611219, 3012279, 3646443, 4833657, 9036837, 10939329, 23094139, 69282417, 207847251]

約数ペア:

[(1, 207847251), (3, 69282417), (9, 23094139), (19, 10939329), (23, 9036837), (43, 4833657), (57, 3646443), (69, 3012279), (129, 1611219), (171, 1215481), (207, 1004093), (387, 537073), (437, 475623), (817, 254403), (989, 210159), (1229, 169119), (1311, 158541), (2451, 84801), (2967, 70053), (3687, 56373), (3933, 52847), (7353, 28267), (8901, 23351), (11061, 18791)]