648218085

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 1093400448

約数和(自身を除く): 445182363

約数列:

[1, 3, 5, 15, 23, 69, 115, 151, 345, 453, 529, 541, 755, 1587, 1623, 2265, 2645, 2705, 3473, 7935, 8115, 10419, 12443, 17365, 37329, 52095, 62215, 79879, 81691, 186645, 239637, 245073, 286189, 399395, 408455, 858567, 1198185, 1225365, 1430945, 1878893, 4292835, 5636679, 9394465, 28183395, 43214539, 129643617, 216072695, 648218085]

約数ペア:

[(1, 648218085), (3, 216072695), (5, 129643617), (15, 43214539), (23, 28183395), (69, 9394465), (115, 5636679), (151, 4292835), (345, 1878893), (453, 1430945), (529, 1225365), (541, 1198185), (755, 858567), (1587, 408455), (1623, 399395), (2265, 286189), (2645, 245073), (2705, 239637), (3473, 186645), (7935, 81691), (8115, 79879), (10419, 62215), (12443, 52095), (17365, 37329)]