199902843

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14897}}^1$

素因数の和:14984

約数の個数: 32

約数和(自身を含む): 343249920

約数和(自身を除く): 143347077

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 13419, 14897, 44691, 104279, 134073, 312837, 402219, 938511, 1057687, 2815533, 3173061, 7403809, 9519183, 22211427, 28557549, 66634281, 199902843]

約数ペア:

[(1, 199902843), (3, 66634281), (7, 28557549), (9, 22211427), (21, 9519183), (27, 7403809), (63, 3173061), (71, 2815533), (189, 1057687), (213, 938511), (497, 402219), (639, 312837), (1491, 134073), (1917, 104279), (4473, 44691), (13419, 14897)]