397490025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1759}}^1$

素因数の和:1926

約数の個数: 48

約数和(自身を含む): 691384320

約数和(自身を除く): 293894295

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 131, 345, 393, 575, 655, 1725, 1759, 1965, 3013, 3275, 5277, 8795, 9039, 9825, 15065, 26385, 40457, 43975, 45195, 75325, 121371, 131925, 202285, 225975, 230429, 606855, 691287, 1011425, 1152145, 3034275, 3456435, 5299867, 5760725, 15899601, 17282175, 26499335, 79498005, 132496675, 397490025]

約数ペア:

[(1, 397490025), (3, 132496675), (5, 79498005), (15, 26499335), (23, 17282175), (25, 15899601), (69, 5760725), (75, 5299867), (115, 3456435), (131, 3034275), (345, 1152145), (393, 1011425), (575, 691287), (655, 606855), (1725, 230429), (1759, 225975), (1965, 202285), (3013, 131925), (3275, 121371), (5277, 75325), (8795, 45195), (9039, 43975), (9825, 40457), (15065, 26385)]