13209705

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12763}}^1$

素因数の和:12797

約数の個数: 24

約数和(自身を含む): 23894208

約数和(自身を除く): 10684503

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 12763, 38289, 63815, 114867, 191445, 293549, 574335, 880647, 1467745, 2641941, 4403235, 13209705]

約数ペア:

[(1, 13209705), (3, 4403235), (5, 2641941), (9, 1467745), (15, 880647), (23, 574335), (45, 293549), (69, 191445), (115, 114867), (207, 63815), (345, 38289), (1035, 12763)]