2920671

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 4777920

約数和(自身を除く): 1857249

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 157, 159, 351, 471, 477, 689, 1413, 1431, 2041, 2067, 4239, 6123, 6201, 8321, 18369, 18603, 24963, 55107, 74889, 108173, 224667, 324519, 973557, 2920671]

約数ペア:

[(1, 2920671), (3, 973557), (9, 324519), (13, 224667), (27, 108173), (39, 74889), (53, 55107), (117, 24963), (157, 18603), (159, 18369), (351, 8321), (471, 6201), (477, 6123), (689, 4239), (1413, 2067), (1431, 2041)]