71990715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6827}}^1$

素因数の和:6891

約数の個数: 32

約数和(自身を含む): 124542720

約数和(自身を除く): 52552005

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 3515, 6827, 10545, 20481, 34135, 102405, 129713, 252599, 389139, 648565, 757797, 1262995, 1945695, 3788985, 4799381, 14398143, 23996905, 71990715]

約数ペア:

[(1, 71990715), (3, 23996905), (5, 14398143), (15, 4799381), (19, 3788985), (37, 1945695), (57, 1262995), (95, 757797), (111, 648565), (185, 389139), (285, 252599), (555, 129713), (703, 102405), (2109, 34135), (3515, 20481), (6827, 10545)]