17899539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 29038080

約数和(自身を除く): 11138541

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 397, 399, 791, 1191, 2147, 2373, 2779, 6441, 7543, 8337, 15029, 22629, 44861, 45087, 52801, 134583, 158403, 314027, 852359, 942081, 2557077, 5966513, 17899539]

約数ペア:

[(1, 17899539), (3, 5966513), (7, 2557077), (19, 942081), (21, 852359), (57, 314027), (113, 158403), (133, 134583), (339, 52801), (397, 45087), (399, 44861), (791, 22629), (1191, 15029), (2147, 8337), (2373, 7543), (2779, 6441)]