31309290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1051}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 81727776

約数和(自身を除く): 50418486

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 331, 662, 993, 1051, 1655, 1986, 2102, 2979, 3153, 3310, 4965, 5255, 5958, 6306, 9459, 9930, 10510, 14895, 15765, 18918, 29790, 31530, 47295, 94590, 347881, 695762, 1043643, 1739405, 2087286, 3130929, 3478810, 5218215, 6261858, 10436430, 15654645, 31309290]

約数ペア:

[(1, 31309290), (2, 15654645), (3, 10436430), (5, 6261858), (6, 5218215), (9, 3478810), (10, 3130929), (15, 2087286), (18, 1739405), (30, 1043643), (45, 695762), (90, 347881), (331, 94590), (662, 47295), (993, 31530), (1051, 29790), (1655, 18918), (1986, 15765), (2102, 14895), (2979, 10510), (3153, 9930), (3310, 9459), (4965, 6306), (5255, 5958)]