31005855

素因数分解:

$3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{953}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 55408320

約数和(自身を除く): 24402465

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 241, 723, 953, 1205, 2169, 2859, 3615, 4765, 6507, 8577, 10845, 14295, 25731, 32535, 42885, 128655, 229673, 689019, 1148365, 2067057, 3445095, 6201171, 10335285, 31005855]

約数ペア:

[(1, 31005855), (3, 10335285), (5, 6201171), (9, 3445095), (15, 2067057), (27, 1148365), (45, 689019), (135, 229673), (241, 128655), (723, 42885), (953, 32535), (1205, 25731), (2169, 14295), (2859, 10845), (3615, 8577), (4765, 6507)]