71619705

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54881}}^1$

素因数の和:54921

約数の個数: 24

約数和(自身を含む): 128423880

約数和(自身を除く): 56804175

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 54881, 164643, 274405, 493929, 823215, 1591549, 2469645, 4774647, 7957745, 14323941, 23873235, 71619705]

約数ペア:

[(1, 71619705), (3, 23873235), (5, 14323941), (9, 7957745), (15, 4774647), (29, 2469645), (45, 1591549), (87, 823215), (145, 493929), (261, 274405), (435, 164643), (1305, 54881)]