28060725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 59710464

約数和(自身を除く): 31649739

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 43, 55, 75, 77, 105, 113, 129, 165, 175, 215, 231, 275, 301, 339, 385, 473, 525, 565, 645, 791, 825, 903, 1075, 1155, 1243, 1419, 1505, 1695, 1925, 2365, 2373, 2825, 3225, 3311, 3729, 3955, 4515, 4859, 5775, 6215, 7095, 7525, 8475, 8701, 9933, 11825, 11865, 14577, 16555, 18645, 19775, 22575, 24295, 26103, 31075, 34013, 35475, 43505, 49665, 53449, 59325, 72885, 82775, 93225, 102039, 121475, 130515, 160347, 170065, 217525, 248325, 267245, 364425, 374143, 510195, 652575, 801735, 850325, 1122429, 1336225, 1870715, 2550975, 4008675, 5612145, 9353575, 28060725]

約数ペア:

[(1, 28060725), (3, 9353575), (5, 5612145), (7, 4008675), (11, 2550975), (15, 1870715), (21, 1336225), (25, 1122429), (33, 850325), (35, 801735), (43, 652575), (55, 510195), (75, 374143), (77, 364425), (105, 267245), (113, 248325), (129, 217525), (165, 170065), (175, 160347), (215, 130515), (231, 121475), (275, 102039), (301, 93225), (339, 82775), (385, 72885), (473, 59325), (525, 53449), (565, 49665), (645, 43505), (791, 35475), (825, 34013), (903, 31075), (1075, 26103), (1155, 24295), (1243, 22575), (1419, 19775), (1505, 18645), (1695, 16555), (1925, 14577), (2365, 11865), (2373, 11825), (2825, 9933), (3225, 8701), (3311, 8475), (3729, 7525), (3955, 7095), (4515, 6215), (4859, 5775)]