2155425

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 3690240

約数和(自身を除く): 1534815

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 991, 2175, 2973, 4955, 14865, 24775, 28739, 74325, 86217, 143695, 431085, 718475, 2155425]

約数ペア:

[(1, 2155425), (3, 718475), (5, 431085), (15, 143695), (25, 86217), (29, 74325), (75, 28739), (87, 24775), (145, 14865), (435, 4955), (725, 2973), (991, 2175)]