28699515

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 30006405

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 79, 81, 115, 117, 135, 195, 207, 237, 243, 299, 345, 351, 395, 405, 585, 621, 711, 897, 1027, 1035, 1053, 1185, 1215, 1495, 1755, 1817, 1863, 2133, 2691, 3081, 3105, 3159, 3555, 4485, 5135, 5265, 5451, 5589, 6399, 8073, 9085, 9243, 9315, 10665, 13455, 15405, 15795, 16353, 19197, 23621, 24219, 27255, 27729, 27945, 31995, 40365, 46215, 49059, 70863, 72657, 81765, 83187, 95985, 118105, 121095, 138645, 147177, 212589, 245295, 249561, 354315, 363285, 415935, 441531, 637767, 735885, 1062945, 1247805, 1913301, 2207655, 3188835, 5739903, 9566505, 28699515]

約数ペア:

[(1, 28699515), (3, 9566505), (5, 5739903), (9, 3188835), (13, 2207655), (15, 1913301), (23, 1247805), (27, 1062945), (39, 735885), (45, 637767), (65, 441531), (69, 415935), (79, 363285), (81, 354315), (115, 249561), (117, 245295), (135, 212589), (195, 147177), (207, 138645), (237, 121095), (243, 118105), (299, 95985), (345, 83187), (351, 81765), (395, 72657), (405, 70863), (585, 49059), (621, 46215), (711, 40365), (897, 31995), (1027, 27945), (1035, 27729), (1053, 27255), (1185, 24219), (1215, 23621), (1495, 19197), (1755, 16353), (1817, 15795), (1863, 15405), (2133, 13455), (2691, 10665), (3081, 9315), (3105, 9243), (3159, 9085), (3555, 8073), (4485, 6399), (5135, 5589), (5265, 5451)]