1900102455

素因数分解:

$3^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{8423}}^1$

素因数の和:8997

約数の個数: 40

約数和(自身を含む): 3412629792

約数和(自身を除く): 1512527337

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 557, 1671, 2785, 5013, 8355, 8423, 15039, 25065, 25269, 42115, 45117, 75195, 75807, 126345, 225585, 227421, 379035, 682263, 1137105, 3411315, 4691611, 14074833, 23458055, 42224499, 70374165, 126673497, 211122495, 380020491, 633367485, 1900102455]

約数ペア:

[(1, 1900102455), (3, 633367485), (5, 380020491), (9, 211122495), (15, 126673497), (27, 70374165), (45, 42224499), (81, 23458055), (135, 14074833), (405, 4691611), (557, 3411315), (1671, 1137105), (2785, 682263), (5013, 379035), (8355, 227421), (8423, 225585), (15039, 126345), (25065, 75807), (25269, 75195), (42115, 45117)]