398346315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{3761}}^1$

素因数の和:4099

約数の個数: 32

約数和(自身を含む): 667408896

約数和(自身を除く): 269062581

約数列:

[1, 3, 5, 15, 23, 69, 115, 307, 345, 921, 1535, 3761, 4605, 7061, 11283, 18805, 21183, 35305, 56415, 86503, 105915, 259509, 432515, 1154627, 1297545, 3463881, 5773135, 17319405, 26556421, 79669263, 132782105, 398346315]

約数ペア:

[(1, 398346315), (3, 132782105), (5, 79669263), (15, 26556421), (23, 17319405), (69, 5773135), (115, 3463881), (307, 1297545), (345, 1154627), (921, 432515), (1535, 259509), (3761, 105915), (4605, 86503), (7061, 56415), (11283, 35305), (18805, 21183)]