27872838

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1409}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 69507360

約数和(自身を除く): 41634522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 1099, 1409, 1413, 2198, 2818, 2826, 3297, 4227, 6594, 8454, 9863, 9891, 12681, 19726, 19782, 25362, 29589, 59178, 88767, 177534, 221213, 442426, 663639, 1327278, 1548491, 1990917, 3096982, 3981834, 4645473, 9290946, 13936419, 27872838]

約数ペア:

[(1, 27872838), (2, 13936419), (3, 9290946), (6, 4645473), (7, 3981834), (9, 3096982), (14, 1990917), (18, 1548491), (21, 1327278), (42, 663639), (63, 442426), (126, 221213), (157, 177534), (314, 88767), (471, 59178), (942, 29589), (1099, 25362), (1409, 19782), (1413, 19726), (2198, 12681), (2818, 9891), (2826, 9863), (3297, 8454), (4227, 6594)]