2686425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 5597856

約数和(自身を除く): 2911431

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 43, 49, 51, 75, 85, 105, 119, 129, 147, 175, 215, 245, 255, 301, 357, 425, 525, 595, 645, 731, 735, 833, 903, 1075, 1225, 1275, 1505, 1785, 2107, 2193, 2499, 2975, 3225, 3655, 3675, 4165, 4515, 5117, 6321, 7525, 8925, 10535, 10965, 12495, 15351, 18275, 20825, 22575, 25585, 31605, 35819, 52675, 54825, 62475, 76755, 107457, 127925, 158025, 179095, 383775, 537285, 895475, 2686425]

約数ペア:

[(1, 2686425), (3, 895475), (5, 537285), (7, 383775), (15, 179095), (17, 158025), (21, 127925), (25, 107457), (35, 76755), (43, 62475), (49, 54825), (51, 52675), (75, 35819), (85, 31605), (105, 25585), (119, 22575), (129, 20825), (147, 18275), (175, 15351), (215, 12495), (245, 10965), (255, 10535), (301, 8925), (357, 7525), (425, 6321), (525, 5117), (595, 4515), (645, 4165), (731, 3675), (735, 3655), (833, 3225), (903, 2975), (1075, 2499), (1225, 2193), (1275, 2107), (1505, 1785)]