2220007671

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{264949}}^1$

素因数の和:264988

約数の個数: 36

約数和(自身を含む): 3926559000

約数和(自身を除く): 1706551329

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 264949, 794847, 1854643, 2384541, 5034031, 5563929, 12982501, 15102093, 16691787, 35238217, 38947503, 45306279, 105714651, 116842509, 246667519, 317143953, 740002557, 2220007671]

約数ペア:

[(1, 2220007671), (3, 740002557), (7, 317143953), (9, 246667519), (19, 116842509), (21, 105714651), (49, 45306279), (57, 38947503), (63, 35238217), (133, 16691787), (147, 15102093), (171, 12982501), (399, 5563929), (441, 5034031), (931, 2384541), (1197, 1854643), (2793, 794847), (8379, 264949)]