621138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 1483776

約数和(自身を除く): 862638

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 643, 966, 1286, 1929, 3858, 4501, 9002, 13503, 14789, 27006, 29578, 44367, 88734, 103523, 207046, 310569, 621138]

約数ペア:

[(1, 621138), (2, 310569), (3, 207046), (6, 103523), (7, 88734), (14, 44367), (21, 29578), (23, 27006), (42, 14789), (46, 13503), (69, 9002), (138, 4501), (161, 3858), (322, 1929), (483, 1286), (643, 966)]