208376427

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3461}}^1$

素因数の和:3579

約数の個数: 32

約数和(自身を含む): 329693184

約数和(自身を除く): 121316757

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 329, 427, 987, 1281, 2867, 3461, 8601, 10383, 20069, 24227, 60207, 72681, 162667, 211121, 488001, 633363, 1138669, 1477847, 3416007, 4433541, 9922687, 29768061, 69458809, 208376427]

約数ペア:

[(1, 208376427), (3, 69458809), (7, 29768061), (21, 9922687), (47, 4433541), (61, 3416007), (141, 1477847), (183, 1138669), (329, 633363), (427, 488001), (987, 211121), (1281, 162667), (2867, 72681), (3461, 60207), (8601, 24227), (10383, 20069)]