28757025

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1291}}^1$

素因数の和:1324

約数の個数: 60

約数和(自身を含む): 58155504

約数和(自身を除く): 29398479

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 135, 165, 225, 275, 297, 405, 495, 675, 825, 891, 1291, 1485, 2025, 2475, 3873, 4455, 6455, 7425, 11619, 14201, 19365, 22275, 32275, 34857, 42603, 58095, 71005, 96825, 104571, 127809, 174285, 213015, 290475, 355025, 383427, 522855, 639045, 871425, 1065075, 1150281, 1917135, 2614275, 3195225, 5751405, 9585675, 28757025]

約数ペア:

[(1, 28757025), (3, 9585675), (5, 5751405), (9, 3195225), (11, 2614275), (15, 1917135), (25, 1150281), (27, 1065075), (33, 871425), (45, 639045), (55, 522855), (75, 383427), (81, 355025), (99, 290475), (135, 213015), (165, 174285), (225, 127809), (275, 104571), (297, 96825), (405, 71005), (495, 58095), (675, 42603), (825, 34857), (891, 32275), (1291, 22275), (1485, 19365), (2025, 14201), (2475, 11619), (3873, 7425), (4455, 6455)]