28207845

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 53937444

約数和(自身を除く): 25729599

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 241, 255, 289, 405, 459, 723, 765, 867, 1205, 1377, 1445, 2169, 2295, 2601, 3615, 4097, 4335, 6507, 6885, 7803, 10845, 12291, 13005, 19521, 20485, 23409, 32535, 36873, 39015, 61455, 69649, 97605, 110619, 117045, 184365, 208947, 331857, 348245, 553095, 626841, 1044735, 1659285, 1880523, 3134205, 5641569, 9402615, 28207845]

約数ペア:

[(1, 28207845), (3, 9402615), (5, 5641569), (9, 3134205), (15, 1880523), (17, 1659285), (27, 1044735), (45, 626841), (51, 553095), (81, 348245), (85, 331857), (135, 208947), (153, 184365), (241, 117045), (255, 110619), (289, 97605), (405, 69649), (459, 61455), (723, 39015), (765, 36873), (867, 32535), (1205, 23409), (1377, 20485), (1445, 19521), (2169, 13005), (2295, 12291), (2601, 10845), (3615, 7803), (4097, 6885), (4335, 6507)]