28298625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 52296192

約数和(自身を除く): 23997567

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 193, 255, 345, 375, 391, 425, 575, 579, 965, 1173, 1275, 1725, 1955, 2125, 2875, 2895, 3281, 4439, 4825, 5865, 6375, 8625, 9775, 9843, 13317, 14475, 16405, 22195, 24125, 29325, 48875, 49215, 66585, 72375, 75463, 82025, 110975, 146625, 226389, 246075, 332925, 377315, 410125, 554875, 1131945, 1230375, 1664625, 1886575, 5659725, 9432875, 28298625]

約数ペア:

[(1, 28298625), (3, 9432875), (5, 5659725), (15, 1886575), (17, 1664625), (23, 1230375), (25, 1131945), (51, 554875), (69, 410125), (75, 377315), (85, 332925), (115, 246075), (125, 226389), (193, 146625), (255, 110975), (345, 82025), (375, 75463), (391, 72375), (425, 66585), (575, 49215), (579, 48875), (965, 29325), (1173, 24125), (1275, 22195), (1725, 16405), (1955, 14475), (2125, 13317), (2875, 9843), (2895, 9775), (3281, 8625), (4439, 6375), (4825, 5865)]