72077745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{521}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 120870144

約数和(自身を除く): 48792399

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 401, 521, 1203, 1563, 2005, 2605, 6015, 7815, 9223, 11983, 27669, 35949, 46115, 59915, 138345, 179745, 208921, 626763, 1044605, 3133815, 4805183, 14415549, 24025915, 72077745]

約数ペア:

[(1, 72077745), (3, 24025915), (5, 14415549), (15, 4805183), (23, 3133815), (69, 1044605), (115, 626763), (345, 208921), (401, 179745), (521, 138345), (1203, 59915), (1563, 46115), (2005, 35949), (2605, 27669), (6015, 11983), (7815, 9223)]