13621005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 25272000

約数和(自身を除く): 11650995

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 89, 95, 171, 179, 267, 285, 445, 537, 801, 855, 895, 1335, 1611, 1691, 2685, 3401, 4005, 5073, 8055, 8455, 10203, 15219, 15931, 17005, 25365, 30609, 47793, 51015, 76095, 79655, 143379, 153045, 238965, 302689, 716895, 908067, 1513445, 2724201, 4540335, 13621005]

約数ペア:

[(1, 13621005), (3, 4540335), (5, 2724201), (9, 1513445), (15, 908067), (19, 716895), (45, 302689), (57, 238965), (89, 153045), (95, 143379), (171, 79655), (179, 76095), (267, 51015), (285, 47793), (445, 30609), (537, 25365), (801, 17005), (855, 15931), (895, 15219), (1335, 10203), (1611, 8455), (1691, 8055), (2685, 5073), (3401, 4005)]