1288425

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 2187360

約数和(自身を除く): 898935

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 419, 615, 1025, 1257, 2095, 3075, 6285, 10475, 17179, 31425, 51537, 85895, 257685, 429475, 1288425]

約数ペア:

[(1, 1288425), (3, 429475), (5, 257685), (15, 85895), (25, 51537), (41, 31425), (75, 17179), (123, 10475), (205, 6285), (419, 3075), (615, 2095), (1025, 1257)]