15697942281

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{769}}^1\times {\mathrm{1129}}^1$

素因数の和:1959

約数の個数: 72

約数和(自身を含む): 27079252200

約数和(自身を除く): 11381309919

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 769, 861, 1129, 2009, 2307, 2583, 3387, 5383, 6027, 6921, 7903, 10161, 16149, 18081, 23709, 31529, 37681, 46289, 48447, 55321, 71127, 94587, 113043, 138867, 165963, 220703, 283761, 324023, 339129, 416601, 497889, 662109, 868201, 972069, 1544921, 1986327, 2268161, 2604603, 2916207, 4634763, 6077407, 6804483, 7813809, 13904289, 18232221, 20413449, 35596241, 42541849, 54696663, 106788723, 127625547, 249173687, 320366169, 382876641, 747521061, 1744215809, 2242563183, 5232647427, 15697942281]

約数ペア:

[(1, 15697942281), (3, 5232647427), (7, 2242563183), (9, 1744215809), (21, 747521061), (41, 382876641), (49, 320366169), (63, 249173687), (123, 127625547), (147, 106788723), (287, 54696663), (369, 42541849), (441, 35596241), (769, 20413449), (861, 18232221), (1129, 13904289), (2009, 7813809), (2307, 6804483), (2583, 6077407), (3387, 4634763), (5383, 2916207), (6027, 2604603), (6921, 2268161), (7903, 1986327), (10161, 1544921), (16149, 972069), (18081, 868201), (23709, 662109), (31529, 497889), (37681, 416601), (46289, 339129), (48447, 324023), (55321, 283761), (71127, 220703), (94587, 165963), (113043, 138867)]