313992045

素因数分解:

$3^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1579}}^1$

素因数の和:2087

約数の個数: 40

約数和(自身を含む): 564363360

約数和(自身を除く): 250371315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 491, 1473, 1579, 2455, 4419, 4737, 7365, 7895, 13257, 14211, 22095, 23685, 39771, 42633, 66285, 71055, 127899, 198855, 213165, 639495, 775289, 2325867, 3876445, 6977601, 11629335, 20932803, 34888005, 62798409, 104664015, 313992045]

約数ペア:

[(1, 313992045), (3, 104664015), (5, 62798409), (9, 34888005), (15, 20932803), (27, 11629335), (45, 6977601), (81, 3876445), (135, 2325867), (405, 775289), (491, 639495), (1473, 213165), (1579, 198855), (2455, 127899), (4419, 71055), (4737, 66285), (7365, 42633), (7895, 39771), (13257, 23685), (14211, 22095)]