399066915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{14723}}^1$

素因数の和:14883

約数の個数: 32

約数和(自身を含む): 692616960

約数和(自身を除く): 293550045

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 5421, 9035, 14723, 27105, 44169, 73615, 191399, 220845, 574197, 956995, 2046497, 2870985, 6139491, 10232485, 26604461, 30697455, 79813383, 133022305, 399066915]

約数ペア:

[(1, 399066915), (3, 133022305), (5, 79813383), (13, 30697455), (15, 26604461), (39, 10232485), (65, 6139491), (139, 2870985), (195, 2046497), (417, 956995), (695, 574197), (1807, 220845), (2085, 191399), (5421, 73615), (9035, 44169), (14723, 27105)]