631420419

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1549}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 1017792000

約数和(自身を除く): 386371581

約数列:

[1, 3, 7, 21, 47, 49, 59, 141, 147, 177, 329, 413, 987, 1239, 1549, 2303, 2773, 2891, 4647, 6909, 8319, 8673, 10843, 19411, 32529, 58233, 72803, 75901, 91391, 135877, 218409, 227703, 274173, 407631, 509621, 639737, 1528863, 1919211, 3567347, 4295377, 4478159, 10702041, 12886131, 13434477, 30067639, 90202917, 210473473, 631420419]

約数ペア:

[(1, 631420419), (3, 210473473), (7, 90202917), (21, 30067639), (47, 13434477), (49, 12886131), (59, 10702041), (141, 4478159), (147, 4295377), (177, 3567347), (329, 1919211), (413, 1528863), (987, 639737), (1239, 509621), (1549, 407631), (2303, 274173), (2773, 227703), (2891, 218409), (4647, 135877), (6909, 91391), (8319, 75901), (8673, 72803), (10843, 58233), (19411, 32529)]