18416175

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 32060448

約数和(自身を除く): 13644273

約数列:

[1, 3, 5, 15, 25, 41, 53, 75, 113, 123, 159, 205, 265, 339, 565, 615, 795, 1025, 1325, 1695, 2173, 2825, 3075, 3975, 4633, 5989, 6519, 8475, 10865, 13899, 17967, 23165, 29945, 32595, 54325, 69495, 89835, 115825, 149725, 162975, 245549, 347475, 449175, 736647, 1227745, 3683235, 6138725, 18416175]

約数ペア:

[(1, 18416175), (3, 6138725), (5, 3683235), (15, 1227745), (25, 736647), (41, 449175), (53, 347475), (75, 245549), (113, 162975), (123, 149725), (159, 115825), (205, 89835), (265, 69495), (339, 54325), (565, 32595), (615, 29945), (795, 23165), (1025, 17967), (1325, 13899), (1695, 10865), (2173, 8475), (2825, 6519), (3075, 5989), (3975, 4633)]