20151031821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{827}}^1$

素因数の和:1202

約数の個数: 64

約数和(自身を含む): 29966340096

約数和(自身を除く): 9815308275

約数列:

[1, 3, 17, 41, 43, 51, 123, 129, 271, 697, 731, 813, 827, 1763, 2091, 2193, 2481, 4607, 5289, 11111, 11653, 13821, 14059, 29971, 33333, 33907, 34959, 35561, 42177, 89913, 101721, 106683, 188887, 198101, 224117, 477773, 566661, 576419, 594303, 604537, 672351, 1433319, 1458001, 1729257, 1813611, 3809989, 4374003, 8122141, 9188797, 9637031, 11429967, 24366423, 24786017, 27566391, 28911093, 74358051, 156209549, 163829527, 395118271, 468628647, 491488581, 1185354813, 6717010607, 20151031821]

約数ペア:

[(1, 20151031821), (3, 6717010607), (17, 1185354813), (41, 491488581), (43, 468628647), (51, 395118271), (123, 163829527), (129, 156209549), (271, 74358051), (697, 28911093), (731, 27566391), (813, 24786017), (827, 24366423), (1763, 11429967), (2091, 9637031), (2193, 9188797), (2481, 8122141), (4607, 4374003), (5289, 3809989), (11111, 1813611), (11653, 1729257), (13821, 1458001), (14059, 1433319), (29971, 672351), (33333, 604537), (33907, 594303), (34959, 576419), (35561, 566661), (42177, 477773), (89913, 224117), (101721, 198101), (106683, 188887)]