397777809

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{4049}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 625968000

約数和(自身を除く): 228190191

約数列:

[1, 3, 11, 13, 33, 39, 143, 229, 429, 687, 2519, 2977, 4049, 7557, 8931, 12147, 32747, 44539, 52637, 98241, 133617, 157911, 579007, 927221, 1737021, 2781663, 10199431, 12053873, 30598293, 36161619, 132592603, 397777809]

約数ペア:

[(1, 397777809), (3, 132592603), (11, 36161619), (13, 30598293), (33, 12053873), (39, 10199431), (143, 2781663), (229, 1737021), (429, 927221), (687, 579007), (2519, 157911), (2977, 133617), (4049, 98241), (7557, 52637), (8931, 44539), (12147, 32747)]