28841175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 57877248

約数和(自身を除く): 29036073

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 43, 45, 55, 75, 99, 129, 165, 215, 225, 271, 275, 387, 473, 495, 645, 813, 825, 1075, 1355, 1419, 1935, 2365, 2439, 2475, 2981, 3225, 4065, 4257, 6775, 7095, 8943, 9675, 11653, 11825, 12195, 14905, 20325, 21285, 26829, 34959, 35475, 44715, 58265, 60975, 74525, 104877, 106425, 128183, 134145, 174795, 223575, 291325, 384549, 524385, 640915, 670725, 873975, 1153647, 1922745, 2621925, 3204575, 5768235, 9613725, 28841175]

約数ペア:

[(1, 28841175), (3, 9613725), (5, 5768235), (9, 3204575), (11, 2621925), (15, 1922745), (25, 1153647), (33, 873975), (43, 670725), (45, 640915), (55, 524385), (75, 384549), (99, 291325), (129, 223575), (165, 174795), (215, 134145), (225, 128183), (271, 106425), (275, 104877), (387, 74525), (473, 60975), (495, 58265), (645, 44715), (813, 35475), (825, 34959), (1075, 26829), (1355, 21285), (1419, 20325), (1935, 14905), (2365, 12195), (2439, 11825), (2475, 11653), (2981, 9675), (3225, 8943), (4065, 7095), (4257, 6775)]