128156529

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 185068800

約数和(自身を除く): 56912271

約数列:

[1, 3, 23, 41, 69, 89, 123, 267, 509, 943, 1527, 2047, 2829, 3649, 6141, 10947, 11707, 20869, 35121, 45301, 62607, 83927, 135903, 251781, 479987, 1041923, 1439961, 1857341, 3125769, 5572023, 42718843, 128156529]

約数ペア:

[(1, 128156529), (3, 42718843), (23, 5572023), (41, 3125769), (69, 1857341), (89, 1439961), (123, 1041923), (267, 479987), (509, 251781), (943, 135903), (1527, 83927), (2047, 62607), (2829, 45301), (3649, 35121), (6141, 20869), (10947, 11707)]