639612963

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{4231}}^1$

素因数の和:4760

約数の個数: 32

約数和(自身を含む): 1035993600

約数和(自身を除く): 396380637

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 509, 1527, 4231, 4581, 5599, 12693, 13743, 16797, 38079, 46541, 50391, 114237, 139623, 151173, 418869, 1256607, 2153579, 6460737, 19382211, 23689369, 58146633, 71068107, 213204321, 639612963]

約数ペア:

[(1, 639612963), (3, 213204321), (9, 71068107), (11, 58146633), (27, 23689369), (33, 19382211), (99, 6460737), (297, 2153579), (509, 1256607), (1527, 418869), (4231, 151173), (4581, 139623), (5599, 114237), (12693, 50391), (13743, 46541), (16797, 38079)]