28514475

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 57277584

約数和(自身を除く): 28763109

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 205, 225, 275, 281, 369, 451, 495, 615, 825, 843, 1025, 1353, 1405, 1845, 2255, 2475, 2529, 3075, 3091, 4059, 4215, 6765, 7025, 9225, 9273, 11275, 11521, 12645, 15455, 20295, 21075, 27819, 33825, 34563, 46365, 57605, 63225, 77275, 101475, 103689, 126731, 139095, 172815, 231825, 288025, 380193, 518445, 633655, 695475, 864075, 1140579, 1900965, 2592225, 3168275, 5702895, 9504825, 28514475]

約数ペア:

[(1, 28514475), (3, 9504825), (5, 5702895), (9, 3168275), (11, 2592225), (15, 1900965), (25, 1140579), (33, 864075), (41, 695475), (45, 633655), (55, 518445), (75, 380193), (99, 288025), (123, 231825), (165, 172815), (205, 139095), (225, 126731), (275, 103689), (281, 101475), (369, 77275), (451, 63225), (495, 57605), (615, 46365), (825, 34563), (843, 33825), (1025, 27819), (1353, 21075), (1405, 20295), (1845, 15455), (2255, 12645), (2475, 11521), (2529, 11275), (3075, 9273), (3091, 9225), (4059, 7025), (4215, 6765)]