128819943

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1301

約数の個数: 64

約数和(自身を含む): 237696000

約数和(自身を除く): 108876057

約数列:

[1, 3, 7, 9, 19, 21, 27, 29, 57, 63, 87, 133, 171, 189, 203, 261, 399, 513, 551, 609, 783, 1197, 1237, 1653, 1827, 3591, 3711, 3857, 4959, 5481, 8659, 11133, 11571, 14877, 23503, 25977, 33399, 34713, 35873, 70509, 77931, 104139, 107619, 164521, 211527, 233793, 251111, 322857, 493563, 634581, 681587, 753333, 968571, 1480689, 2044761, 2259999, 4442067, 4771109, 6134283, 6779997, 14313327, 18402849, 42939981, 128819943]

約数ペア:

[(1, 128819943), (3, 42939981), (7, 18402849), (9, 14313327), (19, 6779997), (21, 6134283), (27, 4771109), (29, 4442067), (57, 2259999), (63, 2044761), (87, 1480689), (133, 968571), (171, 753333), (189, 681587), (203, 634581), (261, 493563), (399, 322857), (513, 251111), (551, 233793), (609, 211527), (783, 164521), (1197, 107619), (1237, 104139), (1653, 77931), (1827, 70509), (3591, 35873), (3711, 34713), (3857, 33399), (4959, 25977), (5481, 23503), (8659, 14877), (11133, 11571)]