74998125

素因数分解:

$3^2\times 5^4\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 138080800

約数和(自身を除く): 63082675

約数列:

[1, 3, 5, 9, 15, 25, 45, 67, 75, 125, 199, 201, 225, 335, 375, 597, 603, 625, 995, 1005, 1125, 1675, 1791, 1875, 2985, 3015, 4975, 5025, 5625, 8375, 8955, 13333, 14925, 15075, 24875, 25125, 39999, 41875, 44775, 66665, 74625, 75375, 119997, 124375, 125625, 199995, 223875, 333325, 373125, 376875, 599985, 999975, 1119375, 1666625, 2999925, 4999875, 8333125, 14999625, 24999375, 74998125]

約数ペア:

[(1, 74998125), (3, 24999375), (5, 14999625), (9, 8333125), (15, 4999875), (25, 2999925), (45, 1666625), (67, 1119375), (75, 999975), (125, 599985), (199, 376875), (201, 373125), (225, 333325), (335, 223875), (375, 199995), (597, 125625), (603, 124375), (625, 119997), (995, 75375), (1005, 74625), (1125, 66665), (1675, 44775), (1791, 41875), (1875, 39999), (2985, 25125), (3015, 24875), (4975, 15075), (5025, 14925), (5625, 13333), (8375, 8955)]