214920195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 403439616

約数和(自身を除く): 188519421

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 127, 213, 227, 355, 381, 497, 635, 681, 889, 1065, 1135, 1491, 1589, 1905, 2485, 2667, 3405, 4445, 4767, 7455, 7945, 9017, 13335, 16117, 23835, 27051, 28829, 45085, 48351, 63119, 80585, 86487, 112819, 135255, 144145, 189357, 201803, 241755, 315595, 338457, 432435, 564095, 605409, 946785, 1009015, 1692285, 2046859, 3027045, 6140577, 10234295, 14328013, 30702885, 42984039, 71640065, 214920195]

約数ペア:

[(1, 214920195), (3, 71640065), (5, 42984039), (7, 30702885), (15, 14328013), (21, 10234295), (35, 6140577), (71, 3027045), (105, 2046859), (127, 1692285), (213, 1009015), (227, 946785), (355, 605409), (381, 564095), (497, 432435), (635, 338457), (681, 315595), (889, 241755), (1065, 201803), (1135, 189357), (1491, 144145), (1589, 135255), (1905, 112819), (2485, 86487), (2667, 80585), (3405, 63119), (4445, 48351), (4767, 45085), (7455, 28829), (7945, 27051), (9017, 23835), (13335, 16117)]