71980215

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{117041}}^1$

素因数の和:117090

約数の個数: 16

約数和(自身を含む): 117978336

約数和(自身を除く): 45998121

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 117041, 351123, 585205, 1755615, 4798681, 14396043, 23993405, 71980215]

約数ペア:

[(1, 71980215), (3, 23993405), (5, 14396043), (15, 4798681), (41, 1755615), (123, 585205), (205, 351123), (615, 117041)]