728498121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 1060752000

約数和(自身を除く): 332253879

約数列:

[1, 3, 13, 39, 109, 327, 409, 419, 1227, 1257, 1417, 4251, 5317, 5447, 15951, 16341, 44581, 45671, 133743, 137013, 171371, 514113, 579553, 593723, 1738659, 1781169, 2227823, 6683469, 18679439, 56038317, 242832707, 728498121]

約数ペア:

[(1, 728498121), (3, 242832707), (13, 56038317), (39, 18679439), (109, 6683469), (327, 2227823), (409, 1781169), (419, 1738659), (1227, 593723), (1257, 579553), (1417, 514113), (4251, 171371), (5317, 137013), (5447, 133743), (15951, 45671), (16341, 44581)]