16245999

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 31691088

約数和(自身を除く): 15445089

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 187, 197, 231, 357, 441, 539, 561, 591, 693, 833, 1071, 1309, 1379, 1617, 1683, 1773, 2167, 2499, 3349, 3927, 4137, 4851, 6501, 7497, 9163, 9653, 10047, 11781, 12411, 15169, 19503, 23443, 27489, 28959, 30141, 36839, 45507, 70329, 82467, 86877, 106183, 110517, 136521, 164101, 210987, 257873, 318549, 331551, 492303, 773619, 955647, 1476909, 1805111, 2320857, 5415333, 16245999]

約数ペア:

[(1, 16245999), (3, 5415333), (7, 2320857), (9, 1805111), (11, 1476909), (17, 955647), (21, 773619), (33, 492303), (49, 331551), (51, 318549), (63, 257873), (77, 210987), (99, 164101), (119, 136521), (147, 110517), (153, 106183), (187, 86877), (197, 82467), (231, 70329), (357, 45507), (441, 36839), (539, 30141), (561, 28959), (591, 27489), (693, 23443), (833, 19503), (1071, 15169), (1309, 12411), (1379, 11781), (1617, 10047), (1683, 9653), (1773, 9163), (2167, 7497), (2499, 6501), (3349, 4851), (3927, 4137)]