23899875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 44209152

約数和(自身を除く): 20309277

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 163, 255, 345, 375, 391, 425, 489, 575, 815, 1173, 1275, 1725, 1955, 2125, 2445, 2771, 2875, 3749, 4075, 5865, 6375, 8313, 8625, 9775, 11247, 12225, 13855, 18745, 20375, 29325, 41565, 48875, 56235, 61125, 63733, 69275, 93725, 146625, 191199, 207825, 281175, 318665, 346375, 468625, 955995, 1039125, 1405875, 1593325, 4779975, 7966625, 23899875]

約数ペア:

[(1, 23899875), (3, 7966625), (5, 4779975), (15, 1593325), (17, 1405875), (23, 1039125), (25, 955995), (51, 468625), (69, 346375), (75, 318665), (85, 281175), (115, 207825), (125, 191199), (163, 146625), (255, 93725), (345, 69275), (375, 63733), (391, 61125), (425, 56235), (489, 48875), (575, 41565), (815, 29325), (1173, 20375), (1275, 18745), (1725, 13855), (1955, 12225), (2125, 11247), (2445, 9775), (2771, 8625), (2875, 8313), (3749, 6375), (4075, 5865)]