221570361

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 344168448

約数和(自身を除く): 122598087

約数列:

[1, 3, 9, 31, 47, 61, 93, 141, 183, 277, 279, 423, 549, 831, 1457, 1891, 2493, 2867, 4371, 5673, 8587, 8601, 13019, 13113, 16897, 17019, 25761, 25803, 39057, 50691, 77283, 88877, 117171, 152073, 266631, 403589, 523807, 794159, 799893, 1210767, 1571421, 2382477, 3632301, 4714263, 7147431, 24618929, 73856787, 221570361]

約数ペア:

[(1, 221570361), (3, 73856787), (9, 24618929), (31, 7147431), (47, 4714263), (61, 3632301), (93, 2382477), (141, 1571421), (183, 1210767), (277, 799893), (279, 794159), (423, 523807), (549, 403589), (831, 266631), (1457, 152073), (1891, 117171), (2493, 88877), (2867, 77283), (4371, 50691), (5673, 39057), (8587, 25803), (8601, 25761), (13019, 17019), (13113, 16897)]