17178237

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 27181440

約数和(自身を除く): 10003203

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 103, 213, 261, 309, 639, 783, 927, 1917, 2059, 2349, 2781, 2987, 5751, 6177, 7313, 8343, 8961, 18531, 21939, 26883, 55593, 65817, 80649, 166779, 197451, 212077, 241947, 592353, 636231, 1908693, 5726079, 17178237]

約数ペア:

[(1, 17178237), (3, 5726079), (9, 1908693), (27, 636231), (29, 592353), (71, 241947), (81, 212077), (87, 197451), (103, 166779), (213, 80649), (261, 65817), (309, 55593), (639, 26883), (783, 21939), (927, 18531), (1917, 8961), (2059, 8343), (2349, 7313), (2781, 6177), (2987, 5751)]