7220715

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 12096000

約数和(自身を除く): 4875285

約数列:

[1, 3, 5, 15, 41, 59, 123, 177, 199, 205, 295, 597, 615, 885, 995, 2419, 2985, 7257, 8159, 11741, 12095, 24477, 35223, 36285, 40795, 58705, 122385, 176115, 481381, 1444143, 2406905, 7220715]

約数ペア:

[(1, 7220715), (3, 2406905), (5, 1444143), (15, 481381), (41, 176115), (59, 122385), (123, 58705), (177, 40795), (199, 36285), (205, 35223), (295, 24477), (597, 12095), (615, 11741), (885, 8159), (995, 7257), (2419, 2985)]