2779305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 4730880

約数和(自身を除く): 1951575

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 139, 155, 215, 417, 465, 645, 695, 1333, 2085, 3999, 4309, 5977, 6665, 12927, 17931, 19995, 21545, 29885, 64635, 89655, 185287, 555861, 926435, 2779305]

約数ペア:

[(1, 2779305), (3, 926435), (5, 555861), (15, 185287), (31, 89655), (43, 64635), (93, 29885), (129, 21545), (139, 19995), (155, 17931), (215, 12927), (417, 6665), (465, 5977), (645, 4309), (695, 3999), (1333, 2085)]