25279875

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 47601216

約数和(自身を除く): 22321341

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 977, 1035, 1125, 1725, 2875, 2931, 4885, 5175, 8625, 8793, 14655, 22471, 24425, 25875, 43965, 67413, 73275, 112355, 122125, 202239, 219825, 337065, 366375, 561775, 1011195, 1099125, 1685325, 2808875, 5055975, 8426625, 25279875]

約数ペア:

[(1, 25279875), (3, 8426625), (5, 5055975), (9, 2808875), (15, 1685325), (23, 1099125), (25, 1011195), (45, 561775), (69, 366375), (75, 337065), (115, 219825), (125, 202239), (207, 122125), (225, 112355), (345, 73275), (375, 67413), (575, 43965), (977, 25875), (1035, 24425), (1125, 22471), (1725, 14655), (2875, 8793), (2931, 8625), (4885, 5175)]