78778815

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:1039

約数の個数: 32

約数和(自身を含む): 129862656

約数和(自身を除く): 51083841

約数列:

[1, 3, 5, 15, 47, 131, 141, 235, 393, 655, 705, 853, 1965, 2559, 4265, 6157, 12795, 18471, 30785, 40091, 92355, 111743, 120273, 200455, 335229, 558715, 601365, 1676145, 5251921, 15755763, 26259605, 78778815]

約数ペア:

[(1, 78778815), (3, 26259605), (5, 15755763), (15, 5251921), (47, 1676145), (131, 601365), (141, 558715), (235, 335229), (393, 200455), (655, 120273), (705, 111743), (853, 92355), (1965, 40091), (2559, 30785), (4265, 18471), (6157, 12795)]