30531879

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1109}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 55411200

約数和(自身を除く): 24879321

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 1109, 1197, 1311, 1449, 3059, 3327, 3933, 7763, 9177, 9981, 21071, 23289, 25507, 27531, 63213, 69867, 76521, 147497, 178549, 189639, 229563, 442491, 484633, 535647, 1327473, 1453899, 1606941, 3392431, 4361697, 10177293, 30531879]

約数ペア:

[(1, 30531879), (3, 10177293), (7, 4361697), (9, 3392431), (19, 1606941), (21, 1453899), (23, 1327473), (57, 535647), (63, 484633), (69, 442491), (133, 229563), (161, 189639), (171, 178549), (207, 147497), (399, 76521), (437, 69867), (483, 63213), (1109, 27531), (1197, 25507), (1311, 23289), (1449, 21071), (3059, 9981), (3327, 9177), (3933, 7763)]