397972197

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{30517}}^1$

素因数の和:30559

約数の個数: 40

約数和(自身を含む): 708994176

約数和(自身を除く): 311021979

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 13041, 30517, 91551, 213619, 274653, 640857, 701891, 823959, 1922571, 2105673, 2471877, 4913237, 5767713, 6317019, 14739711, 17303139, 18951057, 44219133, 56853171, 132657399, 397972197]

約数ペア:

[(1, 397972197), (3, 132657399), (7, 56853171), (9, 44219133), (21, 18951057), (23, 17303139), (27, 14739711), (63, 6317019), (69, 5767713), (81, 4913237), (161, 2471877), (189, 2105673), (207, 1922571), (483, 823959), (567, 701891), (621, 640857), (1449, 274653), (1863, 213619), (4347, 91551), (13041, 30517)]