75857805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 135907200

約数和(自身を除く): 60049395

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 197, 199, 215, 387, 591, 597, 645, 985, 995, 1773, 1791, 1935, 2955, 2985, 8471, 8557, 8865, 8955, 25413, 25671, 39203, 42355, 42785, 76239, 77013, 117609, 127065, 128355, 196015, 352827, 381195, 385065, 588045, 1685729, 1764135, 5057187, 8428645, 15171561, 25285935, 75857805]

約数ペア:

[(1, 75857805), (3, 25285935), (5, 15171561), (9, 8428645), (15, 5057187), (43, 1764135), (45, 1685729), (129, 588045), (197, 385065), (199, 381195), (215, 352827), (387, 196015), (591, 128355), (597, 127065), (645, 117609), (985, 77013), (995, 76239), (1773, 42785), (1791, 42355), (1935, 39203), (2955, 25671), (2985, 25413), (8471, 8955), (8557, 8865)]