121878237

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 176693088

約数和(自身を除く): 54814851

約数列:

[1, 3, 13, 39, 169, 421, 507, 571, 1263, 1713, 5473, 7423, 16419, 22269, 71149, 96499, 213447, 240391, 289497, 721173, 3125083, 9375249, 40626079, 121878237]

約数ペア:

[(1, 121878237), (3, 40626079), (13, 9375249), (39, 3125083), (169, 721173), (421, 289497), (507, 240391), (571, 213447), (1263, 96499), (1713, 71149), (5473, 22269), (7423, 16419)]