18206175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 14791713

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 263, 325, 355, 789, 923, 975, 1065, 1315, 1775, 2769, 3419, 3945, 4615, 5325, 6575, 10257, 13845, 17095, 18673, 19725, 23075, 51285, 56019, 69225, 85475, 93365, 242749, 256425, 280095, 466825, 728247, 1213745, 1400475, 3641235, 6068725, 18206175]

約数ペア:

[(1, 18206175), (3, 6068725), (5, 3641235), (13, 1400475), (15, 1213745), (25, 728247), (39, 466825), (65, 280095), (71, 256425), (75, 242749), (195, 93365), (213, 85475), (263, 69225), (325, 56019), (355, 51285), (789, 23075), (923, 19725), (975, 18673), (1065, 17095), (1315, 13845), (1775, 10257), (2769, 6575), (3419, 5325), (3945, 4615)]