27801930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71287}}^1$

素因数の和:71310

約数の個数: 32

約数和(自身を含む): 71858304

約数和(自身を除く): 44056374

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71287, 142574, 213861, 356435, 427722, 712870, 926731, 1069305, 1853462, 2138610, 2780193, 4633655, 5560386, 9267310, 13900965, 27801930]

約数ペア:

[(1, 27801930), (2, 13900965), (3, 9267310), (5, 5560386), (6, 4633655), (10, 2780193), (13, 2138610), (15, 1853462), (26, 1069305), (30, 926731), (39, 712870), (65, 427722), (78, 356435), (130, 213861), (195, 142574), (390, 71287)]