15215886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 37930464

約数和(自身を除く): 22714578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 613, 1182, 1226, 1379, 1773, 1839, 2758, 3546, 3678, 4137, 4291, 5517, 8274, 8582, 11034, 12411, 12873, 24822, 25746, 38619, 77238, 120761, 241522, 362283, 724566, 845327, 1086849, 1690654, 2173698, 2535981, 5071962, 7607943, 15215886]

約数ペア:

[(1, 15215886), (2, 7607943), (3, 5071962), (6, 2535981), (7, 2173698), (9, 1690654), (14, 1086849), (18, 845327), (21, 724566), (42, 362283), (63, 241522), (126, 120761), (197, 77238), (394, 38619), (591, 25746), (613, 24822), (1182, 12873), (1226, 12411), (1379, 11034), (1773, 8582), (1839, 8274), (2758, 5517), (3546, 4291), (3678, 4137)]