66984075

素因数分解:

$3^2\times 5^2\times {\mathrm{297707}}^1$

素因数の和:297723

約数の個数: 18

約数和(自身を含む): 119976324

約数和(自身を除く): 52992249

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 297707, 893121, 1488535, 2679363, 4465605, 7442675, 13396815, 22328025, 66984075]

約数ペア:

[(1, 66984075), (3, 22328025), (5, 13396815), (9, 7442675), (15, 4465605), (25, 2679363), (45, 1488535), (75, 893121), (225, 297707)]