128891931

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4523}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 208465920

約数和(自身を除く): 79573989

約数列:

[1, 3, 7, 21, 23, 59, 69, 161, 177, 413, 483, 1239, 1357, 4071, 4523, 9499, 13569, 28497, 31661, 94983, 104029, 266857, 312087, 728203, 800571, 1867999, 2184609, 5603997, 6137711, 18413133, 42963977, 128891931]

約数ペア:

[(1, 128891931), (3, 42963977), (7, 18413133), (21, 6137711), (23, 5603997), (59, 2184609), (69, 1867999), (161, 800571), (177, 728203), (413, 312087), (483, 266857), (1239, 104029), (1357, 94983), (4071, 31661), (4523, 28497), (9499, 13569)]