343875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{131}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 658944

約数和(自身を除く): 315069

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 131, 175, 375, 393, 525, 655, 875, 917, 1965, 2625, 2751, 3275, 4585, 9825, 13755, 16375, 22925, 49125, 68775, 114625, 343875]

約数ペア:

[(1, 343875), (3, 114625), (5, 68775), (7, 49125), (15, 22925), (21, 16375), (25, 13755), (35, 9825), (75, 4585), (105, 3275), (125, 2751), (131, 2625), (175, 1965), (375, 917), (393, 875), (525, 655)]