257682255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{3923}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 429442560

約数和(自身を除く): 171760305

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 435, 453, 755, 2265, 3923, 4379, 11769, 13137, 19615, 21895, 58845, 65685, 113767, 341301, 568835, 592373, 1706505, 1777119, 2961865, 8885595, 17178817, 51536451, 85894085, 257682255]

約数ペア:

[(1, 257682255), (3, 85894085), (5, 51536451), (15, 17178817), (29, 8885595), (87, 2961865), (145, 1777119), (151, 1706505), (435, 592373), (453, 568835), (755, 341301), (2265, 113767), (3923, 65685), (4379, 58845), (11769, 21895), (13137, 19615)]