71402541

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 112754688

約数和(自身を除く): 41352147

約数列:

[1, 3, 7, 21, 47, 73, 141, 219, 329, 511, 987, 991, 1533, 2973, 3431, 6937, 10293, 20811, 24017, 46577, 72051, 72343, 139731, 217029, 326039, 506401, 978117, 1519203, 3400121, 10200363, 23800847, 71402541]

約数ペア:

[(1, 71402541), (3, 23800847), (7, 10200363), (21, 3400121), (47, 1519203), (73, 978117), (141, 506401), (219, 326039), (329, 217029), (511, 139731), (987, 72343), (991, 72051), (1533, 46577), (2973, 24017), (3431, 20811), (6937, 10293)]