278540925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12470

約数の個数: 48

約数和(自身を含む): 517550208

約数和(自身を除く): 239009283

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 4485, 7475, 12421, 22425, 37263, 62105, 161473, 186315, 285683, 310525, 484419, 807365, 857049, 931575, 1428415, 2422095, 3713879, 4036825, 4285245, 7142075, 11141637, 12110475, 18569395, 21426225, 55708185, 92846975, 278540925]

約数ペア:

[(1, 278540925), (3, 92846975), (5, 55708185), (13, 21426225), (15, 18569395), (23, 12110475), (25, 11141637), (39, 7142075), (65, 4285245), (69, 4036825), (75, 3713879), (115, 2422095), (195, 1428415), (299, 931575), (325, 857049), (345, 807365), (575, 484419), (897, 310525), (975, 285683), (1495, 186315), (1725, 161473), (4485, 62105), (7475, 37263), (12421, 22425)]