29987013

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 47890432

約数和(自身を除く): 17903419

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 631, 651, 1533, 1893, 2263, 4417, 6789, 13251, 15841, 19561, 46063, 47523, 58683, 136927, 138189, 322441, 410781, 967323, 1427953, 4283859, 9995671, 29987013]

約数ペア:

[(1, 29987013), (3, 9995671), (7, 4283859), (21, 1427953), (31, 967323), (73, 410781), (93, 322441), (217, 138189), (219, 136927), (511, 58683), (631, 47523), (651, 46063), (1533, 19561), (1893, 15841), (2263, 13251), (4417, 6789)]