199942209

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 302947200

約数和(自身を除く): 103004991

約数列:

[1, 3, 9, 27, 59, 177, 313, 401, 531, 939, 1203, 1593, 2817, 3609, 8451, 10827, 18467, 23659, 55401, 70977, 125513, 166203, 212931, 376539, 498609, 638793, 1129617, 3388851, 7405267, 22215801, 66647403, 199942209]

約数ペア:

[(1, 199942209), (3, 66647403), (9, 22215801), (27, 7405267), (59, 3388851), (177, 1129617), (313, 638793), (401, 498609), (531, 376539), (939, 212931), (1203, 166203), (1593, 125513), (2817, 70977), (3609, 55401), (8451, 23659), (10827, 18467)]