31812045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 55245312

約数和(自身を除く): 23433267

約数列:

[1, 3, 5, 15, 31, 37, 43, 93, 111, 129, 155, 185, 215, 465, 555, 645, 1147, 1333, 1591, 1849, 3441, 3999, 4773, 5547, 5735, 6665, 7955, 9245, 17205, 19995, 23865, 27735, 49321, 57319, 68413, 147963, 171957, 205239, 246605, 286595, 342065, 739815, 859785, 1026195, 2120803, 6362409, 10604015, 31812045]

約数ペア:

[(1, 31812045), (3, 10604015), (5, 6362409), (15, 2120803), (31, 1026195), (37, 859785), (43, 739815), (93, 342065), (111, 286595), (129, 246605), (155, 205239), (185, 171957), (215, 147963), (465, 68413), (555, 57319), (645, 49321), (1147, 27735), (1333, 23865), (1591, 19995), (1849, 17205), (3441, 9245), (3999, 7955), (4773, 6665), (5547, 5735)]