209164821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 307214208

約数和(自身を除く): 98049387

約数列:

[1, 3, 17, 41, 51, 67, 123, 201, 697, 1139, 1493, 2091, 2747, 3417, 4479, 8241, 25381, 46699, 61213, 76143, 100031, 140097, 183639, 300093, 1040621, 1700527, 3121863, 4101271, 5101581, 12303813, 69721607, 209164821]

約数ペア:

[(1, 209164821), (3, 69721607), (17, 12303813), (41, 5101581), (51, 4101271), (67, 3121863), (123, 1700527), (201, 1040621), (697, 300093), (1139, 183639), (1493, 140097), (2091, 100031), (2747, 76143), (3417, 61213), (4479, 46699), (8241, 25381)]