69689697

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 122204160

約数和(自身を除く): 52514463

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 101, 103, 203, 231, 303, 309, 319, 609, 707, 721, 957, 1111, 1133, 2121, 2163, 2233, 2929, 2987, 3333, 3399, 6699, 7777, 7931, 8787, 8961, 10403, 20503, 20909, 23331, 23793, 31209, 32219, 32857, 61509, 62727, 72821, 96657, 98571, 114433, 218463, 225533, 229999, 301687, 343299, 676599, 689997, 801031, 905061, 2111809, 2403093, 3318557, 6335427, 9955671, 23229899, 69689697]

約数ペア:

[(1, 69689697), (3, 23229899), (7, 9955671), (11, 6335427), (21, 3318557), (29, 2403093), (33, 2111809), (77, 905061), (87, 801031), (101, 689997), (103, 676599), (203, 343299), (231, 301687), (303, 229999), (309, 225533), (319, 218463), (609, 114433), (707, 98571), (721, 96657), (957, 72821), (1111, 62727), (1133, 61509), (2121, 32857), (2163, 32219), (2233, 31209), (2929, 23793), (2987, 23331), (3333, 20909), (3399, 20503), (6699, 10403), (7777, 8961), (7931, 8787)]