16621983

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2837}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 29061120

約数和(自身を除く): 12439137

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 2837, 5859, 8511, 19859, 25533, 59577, 76599, 87947, 178731, 263841, 536193, 615629, 791523, 1846887, 2374569, 5540661, 16621983]

約数ペア:

[(1, 16621983), (3, 5540661), (7, 2374569), (9, 1846887), (21, 791523), (27, 615629), (31, 536193), (63, 263841), (93, 178731), (189, 87947), (217, 76599), (279, 59577), (651, 25533), (837, 19859), (1953, 8511), (2837, 5859)]