275812209

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:523

約数の個数: 40

約数和(自身を含む): 421660800

約数和(自身を除く): 145848591

約数列:

[1, 3, 9, 27, 71, 81, 199, 213, 241, 597, 639, 723, 1791, 1917, 2169, 5373, 5751, 6507, 14129, 16119, 17111, 19521, 42387, 47959, 51333, 127161, 143877, 153999, 381483, 431631, 461997, 1144449, 1294893, 1385991, 3405089, 3884679, 10215267, 30645801, 91937403, 275812209]

約数ペア:

[(1, 275812209), (3, 91937403), (9, 30645801), (27, 10215267), (71, 3884679), (81, 3405089), (199, 1385991), (213, 1294893), (241, 1144449), (597, 461997), (639, 431631), (723, 381483), (1791, 153999), (1917, 143877), (2169, 127161), (5373, 51333), (5751, 47959), (6507, 42387), (14129, 19521), (16119, 17111)]