214919655

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1\times {\mathrm{347}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 348378624

約数和(自身を除く): 133458969

約数列:

[1, 3, 5, 15, 157, 263, 347, 471, 785, 789, 1041, 1315, 1735, 2355, 3945, 5205, 41291, 54479, 91261, 123873, 163437, 206455, 272395, 273783, 456305, 619365, 817185, 1368915, 14327977, 42983931, 71639885, 214919655]

約数ペア:

[(1, 214919655), (3, 71639885), (5, 42983931), (15, 14327977), (157, 1368915), (263, 817185), (347, 619365), (471, 456305), (785, 273783), (789, 272395), (1041, 206455), (1315, 163437), (1735, 123873), (2355, 91261), (3945, 54479), (5205, 41291)]