138915843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 208158720

約数和(自身を除く): 69242877

約数列:

[1, 3, 11, 33, 43, 129, 223, 439, 473, 669, 1317, 1419, 2453, 4829, 7359, 9589, 14487, 18877, 28767, 56631, 97897, 105479, 207647, 293691, 316437, 622941, 1076867, 3230601, 4209571, 12628713, 46305281, 138915843]

約数ペア:

[(1, 138915843), (3, 46305281), (11, 12628713), (33, 4209571), (43, 3230601), (129, 1076867), (223, 622941), (439, 316437), (473, 293691), (669, 207647), (1317, 105479), (1419, 97897), (2453, 56631), (4829, 28767), (7359, 18877), (9589, 14487)]