209901483

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 349332480

約数和(自身を除く): 139430997

約数列:

[1, 3, 9, 11, 27, 33, 47, 99, 121, 141, 297, 363, 423, 517, 1089, 1269, 1367, 1551, 3267, 4101, 4653, 5687, 12303, 13959, 15037, 17061, 36909, 45111, 51183, 64249, 135333, 153549, 165407, 192747, 405999, 496221, 578241, 706739, 1488663, 1734723, 2120217, 4465989, 6360651, 7774129, 19081953, 23322387, 69967161, 209901483]

約数ペア:

[(1, 209901483), (3, 69967161), (9, 23322387), (11, 19081953), (27, 7774129), (33, 6360651), (47, 4465989), (99, 2120217), (121, 1734723), (141, 1488663), (297, 706739), (363, 578241), (423, 496221), (517, 405999), (1089, 192747), (1269, 165407), (1367, 153549), (1551, 135333), (3267, 64249), (4101, 51183), (4653, 45111), (5687, 36909), (12303, 17061), (13959, 15037)]