74721315

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 130977792

約数和(自身を除く): 56256477

約数列:

[1, 3, 5, 15, 31, 37, 43, 93, 101, 111, 129, 155, 185, 215, 303, 465, 505, 555, 645, 1147, 1333, 1515, 1591, 3131, 3441, 3737, 3999, 4343, 4773, 5735, 6665, 7955, 9393, 11211, 13029, 15655, 17205, 18685, 19995, 21715, 23865, 46965, 49321, 56055, 65145, 115847, 134633, 147963, 160691, 246605, 347541, 403899, 482073, 579235, 673165, 739815, 803455, 1737705, 2019495, 2410365, 4981421, 14944263, 24907105, 74721315]

約数ペア:

[(1, 74721315), (3, 24907105), (5, 14944263), (15, 4981421), (31, 2410365), (37, 2019495), (43, 1737705), (93, 803455), (101, 739815), (111, 673165), (129, 579235), (155, 482073), (185, 403899), (215, 347541), (303, 246605), (465, 160691), (505, 147963), (555, 134633), (645, 115847), (1147, 65145), (1333, 56055), (1515, 49321), (1591, 46965), (3131, 23865), (3441, 21715), (3737, 19995), (3999, 18685), (4343, 17205), (4773, 15655), (5735, 13029), (6665, 11211), (7955, 9393)]