213540285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{290531}}^1$

素因数の和:290553

約数の個数: 24

約数和(自身を含む): 397447776

約数和(自身を除く): 183907491

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 290531, 871593, 1452655, 2033717, 4357965, 6101151, 10168585, 14236019, 30505755, 42708057, 71180095, 213540285]

約数ペア:

[(1, 213540285), (3, 71180095), (5, 42708057), (7, 30505755), (15, 14236019), (21, 10168585), (35, 6101151), (49, 4357965), (105, 2033717), (147, 1452655), (245, 871593), (735, 290531)]