15681375

素因数分解:

$3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 28911168

約数和(自身を除く): 13229793

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 125, 159, 225, 263, 265, 375, 477, 789, 795, 1125, 1315, 1325, 2367, 2385, 3945, 3975, 6575, 6625, 11835, 11925, 13939, 19725, 19875, 32875, 41817, 59175, 59625, 69695, 98625, 125451, 209085, 295875, 348475, 627255, 1045425, 1742375, 3136275, 5227125, 15681375]

約数ペア:

[(1, 15681375), (3, 5227125), (5, 3136275), (9, 1742375), (15, 1045425), (25, 627255), (45, 348475), (53, 295875), (75, 209085), (125, 125451), (159, 98625), (225, 69695), (263, 59625), (265, 59175), (375, 41817), (477, 32875), (789, 19875), (795, 19725), (1125, 13939), (1315, 11925), (1325, 11835), (2367, 6625), (2385, 6575), (3945, 3975)]