209911431

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 295356096

約数和(自身を除く): 85444665

約数列:

[1, 3, 41, 61, 101, 123, 183, 277, 303, 831, 2501, 4141, 6161, 7503, 11357, 12423, 16897, 18483, 27977, 34071, 50691, 83931, 252601, 692777, 757803, 1147057, 1706597, 2078331, 3441171, 5119791, 69970477, 209911431]

約数ペア:

[(1, 209911431), (3, 69970477), (41, 5119791), (61, 3441171), (101, 2078331), (123, 1706597), (183, 1147057), (277, 757803), (303, 692777), (831, 252601), (2501, 83931), (4141, 50691), (6161, 34071), (7503, 27977), (11357, 18483), (12423, 16897)]