1320225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 2261760

約数和(自身を除く): 941535

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 607, 725, 1821, 2175, 3035, 9105, 15175, 17603, 45525, 52809, 88015, 264045, 440075, 1320225]

約数ペア:

[(1, 1320225), (3, 440075), (5, 264045), (15, 88015), (25, 52809), (29, 45525), (75, 17603), (87, 15175), (145, 9105), (435, 3035), (607, 2175), (725, 1821)]