917389431

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:301

約数の個数: 96

約数和(自身を含む): 1637895168

約数和(自身を除く): 720505737

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 97, 107, 161, 183, 207, 291, 321, 427, 483, 549, 679, 749, 873, 963, 1281, 1403, 1449, 2037, 2231, 2247, 2461, 3843, 4209, 5917, 6111, 6527, 6693, 6741, 7383, 9821, 10379, 12627, 15617, 17227, 17751, 19581, 20079, 22149, 29463, 31137, 41419, 45689, 46851, 51681, 53253, 58743, 72653, 88389, 93411, 124257, 136091, 137067, 140553, 150121, 155043, 217959, 238717, 372771, 408273, 411201, 450363, 633119, 653877, 716151, 952637, 1050847, 1224819, 1351089, 1671019, 1899357, 2148453, 2857911, 3152541, 4431833, 5013057, 5698071, 8573733, 9457623, 13295499, 14561737, 15039171, 39886497, 43685211, 101932159, 131055633, 305796477, 917389431]

約数ペア:

[(1, 917389431), (3, 305796477), (7, 131055633), (9, 101932159), (21, 43685211), (23, 39886497), (61, 15039171), (63, 14561737), (69, 13295499), (97, 9457623), (107, 8573733), (161, 5698071), (183, 5013057), (207, 4431833), (291, 3152541), (321, 2857911), (427, 2148453), (483, 1899357), (549, 1671019), (679, 1351089), (749, 1224819), (873, 1050847), (963, 952637), (1281, 716151), (1403, 653877), (1449, 633119), (2037, 450363), (2231, 411201), (2247, 408273), (2461, 372771), (3843, 238717), (4209, 217959), (5917, 155043), (6111, 150121), (6527, 140553), (6693, 137067), (6741, 136091), (7383, 124257), (9821, 93411), (10379, 88389), (12627, 72653), (15617, 58743), (17227, 53253), (17751, 51681), (19581, 46851), (20079, 45689), (22149, 41419), (29463, 31137)]