1261995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 2511648

約数和(自身を除く): 1249653

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 101, 105, 119, 147, 245, 255, 303, 357, 505, 595, 707, 735, 833, 1515, 1717, 1785, 2121, 2499, 3535, 4165, 4949, 5151, 8585, 10605, 12019, 12495, 14847, 24745, 25755, 36057, 60095, 74235, 84133, 180285, 252399, 420665, 1261995]

約数ペア:

[(1, 1261995), (3, 420665), (5, 252399), (7, 180285), (15, 84133), (17, 74235), (21, 60095), (35, 36057), (49, 25755), (51, 24745), (85, 14847), (101, 12495), (105, 12019), (119, 10605), (147, 8585), (245, 5151), (255, 4949), (303, 4165), (357, 3535), (505, 2499), (595, 2121), (707, 1785), (735, 1717), (833, 1515)]