90445131

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 163541664

約数和(自身を除く): 73096533

約数列:

[1, 3, 7, 9, 21, 23, 37, 49, 63, 69, 111, 147, 161, 207, 241, 259, 333, 441, 483, 723, 777, 851, 1127, 1449, 1687, 1813, 2169, 2331, 2553, 3381, 5061, 5439, 5543, 5957, 7659, 8917, 10143, 11809, 15183, 16317, 16629, 17871, 26751, 35427, 38801, 41699, 49887, 53613, 62419, 80253, 106281, 116403, 125097, 187257, 205091, 271607, 349209, 375291, 436933, 561771, 615273, 814821, 1310799, 1435637, 1845819, 2444463, 3932397, 4306911, 10049459, 12920733, 30148377, 90445131]

約数ペア:

[(1, 90445131), (3, 30148377), (7, 12920733), (9, 10049459), (21, 4306911), (23, 3932397), (37, 2444463), (49, 1845819), (63, 1435637), (69, 1310799), (111, 814821), (147, 615273), (161, 561771), (207, 436933), (241, 375291), (259, 349209), (333, 271607), (441, 205091), (483, 187257), (723, 125097), (777, 116403), (851, 106281), (1127, 80253), (1449, 62419), (1687, 53613), (1813, 49887), (2169, 41699), (2331, 38801), (2553, 35427), (3381, 26751), (5061, 17871), (5439, 16629), (5543, 16317), (5957, 15183), (7659, 11809), (8917, 10143)]