428475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 736560

約数和(自身を除く): 308085

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 197, 435, 591, 725, 985, 2175, 2955, 4925, 5713, 14775, 17139, 28565, 85695, 142825, 428475]

約数ペア:

[(1, 428475), (3, 142825), (5, 85695), (15, 28565), (25, 17139), (29, 14775), (75, 5713), (87, 4925), (145, 2955), (197, 2175), (435, 985), (591, 725)]