213840915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{4969}}^1$

素因数の和:5147

約数の個数: 32

約数和(自身を含む): 362611200

約数和(自身を除く): 148770285

約数列:

[1, 3, 5, 15, 19, 57, 95, 151, 285, 453, 755, 2265, 2869, 4969, 8607, 14345, 14907, 24845, 43035, 74535, 94411, 283233, 472055, 750319, 1416165, 2250957, 3751595, 11254785, 14256061, 42768183, 71280305, 213840915]

約数ペア:

[(1, 213840915), (3, 71280305), (5, 42768183), (15, 14256061), (19, 11254785), (57, 3751595), (95, 2250957), (151, 1416165), (285, 750319), (453, 472055), (755, 283233), (2265, 94411), (2869, 74535), (4969, 43035), (8607, 24845), (14345, 14907)]