68186355

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 43788045

約数列:

[1, 3, 5, 15, 53, 159, 199, 265, 431, 597, 795, 995, 1293, 2155, 2985, 6465, 10547, 22843, 31641, 52735, 68529, 85769, 114215, 158205, 257307, 342645, 428845, 1286535, 4545757, 13637271, 22728785, 68186355]

約数ペア:

[(1, 68186355), (3, 22728785), (5, 13637271), (15, 4545757), (53, 1286535), (159, 428845), (199, 342645), (265, 257307), (431, 158205), (597, 114215), (795, 85769), (995, 68529), (1293, 52735), (2155, 31641), (2985, 22843), (6465, 10547)]