642135879

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3877}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 1161538560

約数和(自身を除く): 519402681

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 239, 693, 717, 1673, 2151, 2629, 3877, 5019, 7887, 11631, 15057, 18403, 23661, 27139, 34893, 42647, 55209, 81417, 127941, 165627, 244251, 298529, 383823, 895587, 926603, 2686761, 2779809, 6486221, 8339427, 10192633, 19458663, 30577899, 58375989, 71348431, 91733697, 214045293, 642135879]

約数ペア:

[(1, 642135879), (3, 214045293), (7, 91733697), (9, 71348431), (11, 58375989), (21, 30577899), (33, 19458663), (63, 10192633), (77, 8339427), (99, 6486221), (231, 2779809), (239, 2686761), (693, 926603), (717, 895587), (1673, 383823), (2151, 298529), (2629, 244251), (3877, 165627), (5019, 127941), (7887, 81417), (11631, 55209), (15057, 42647), (18403, 34893), (23661, 27139)]