30681885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6841}}^1$

素因数の和:6885

約数の個数: 32

約数和(自身を含む): 55173888

約数和(自身を除く): 24492003

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6841, 20523, 34205, 88933, 102615, 157343, 266799, 444665, 472029, 786715, 1333995, 2045459, 2360145, 6136377, 10227295, 30681885]

約数ペア:

[(1, 30681885), (3, 10227295), (5, 6136377), (13, 2360145), (15, 2045459), (23, 1333995), (39, 786715), (65, 472029), (69, 444665), (115, 266799), (195, 157343), (299, 102615), (345, 88933), (897, 34205), (1495, 20523), (4485, 6841)]