40378005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{30941}}^1$

素因数の和:30981

約数の個数: 24

約数和(自身を含む): 72404280

約数和(自身を除く): 32026275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 30941, 92823, 154705, 278469, 464115, 897289, 1392345, 2691867, 4486445, 8075601, 13459335, 40378005]

約数ペア:

[(1, 40378005), (3, 13459335), (5, 8075601), (9, 4486445), (15, 2691867), (29, 1392345), (45, 897289), (87, 464115), (145, 278469), (261, 154705), (435, 92823), (1305, 30941)]