155921661

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 274959360

約数和(自身を除く): 119037699

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1827, 1953, 2697, 2753, 6293, 8091, 8259, 18879, 19271, 24777, 56637, 57813, 79837, 85343, 173439, 239511, 256029, 558859, 597401, 718533, 768087, 1676577, 1792203, 2474947, 5029731, 5376609, 7424841, 17324629, 22274523, 51973887, 155921661]

約数ペア:

[(1, 155921661), (3, 51973887), (7, 22274523), (9, 17324629), (21, 7424841), (29, 5376609), (31, 5029731), (63, 2474947), (87, 1792203), (93, 1676577), (203, 768087), (217, 718533), (261, 597401), (279, 558859), (609, 256029), (651, 239511), (899, 173439), (1827, 85343), (1953, 79837), (2697, 57813), (2753, 56637), (6293, 24777), (8091, 19271), (8259, 18879)]