201421725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2113}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 352310784

約数和(自身を除く): 150889059

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 205, 465, 615, 775, 1025, 1271, 2113, 2325, 3075, 3813, 6339, 6355, 10565, 19065, 31695, 31775, 52825, 65503, 86633, 95325, 158475, 196509, 259899, 327515, 433165, 982545, 1299495, 1637575, 2165825, 2685623, 4912725, 6497475, 8056869, 13428115, 40284345, 67140575, 201421725]

約数ペア:

[(1, 201421725), (3, 67140575), (5, 40284345), (15, 13428115), (25, 8056869), (31, 6497475), (41, 4912725), (75, 2685623), (93, 2165825), (123, 1637575), (155, 1299495), (205, 982545), (465, 433165), (615, 327515), (775, 259899), (1025, 196509), (1271, 158475), (2113, 95325), (2325, 86633), (3075, 65503), (3813, 52825), (6339, 31775), (6355, 31695), (10565, 19065)]