221570265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 433589760

約数和(自身を除く): 212019495

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 101, 105, 119, 255, 303, 357, 505, 595, 707, 1229, 1515, 1717, 1785, 2121, 3535, 3687, 5151, 6145, 8585, 8603, 10605, 12019, 18435, 20893, 25755, 25809, 36057, 43015, 60095, 62679, 104465, 124129, 129045, 146251, 180285, 313395, 372387, 438753, 620645, 731255, 868903, 1861935, 2110193, 2193765, 2606709, 4344515, 6330579, 10550965, 13033545, 14771351, 31652895, 44314053, 73856755, 221570265]

約数ペア:

[(1, 221570265), (3, 73856755), (5, 44314053), (7, 31652895), (15, 14771351), (17, 13033545), (21, 10550965), (35, 6330579), (51, 4344515), (85, 2606709), (101, 2193765), (105, 2110193), (119, 1861935), (255, 868903), (303, 731255), (357, 620645), (505, 438753), (595, 372387), (707, 313395), (1229, 180285), (1515, 146251), (1717, 129045), (1785, 124129), (2121, 104465), (3535, 62679), (3687, 60095), (5151, 43015), (6145, 36057), (8585, 25809), (8603, 25755), (10605, 20893), (12019, 18435)]