81372186

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1579}}^1$

素因数の和:2003

約数の個数: 48

約数和(自身を含む): 202113600

約数和(自身を除く): 120741414

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 409, 818, 1227, 1579, 2454, 2863, 3158, 3681, 4737, 5726, 7362, 8589, 9474, 11053, 14211, 17178, 22106, 25767, 28422, 33159, 51534, 66318, 99477, 198954, 645811, 1291622, 1937433, 3874866, 4520677, 5812299, 9041354, 11624598, 13562031, 27124062, 40686093, 81372186]

約数ペア:

[(1, 81372186), (2, 40686093), (3, 27124062), (6, 13562031), (7, 11624598), (9, 9041354), (14, 5812299), (18, 4520677), (21, 3874866), (42, 1937433), (63, 1291622), (126, 645811), (409, 198954), (818, 99477), (1227, 66318), (1579, 51534), (2454, 33159), (2863, 28422), (3158, 25767), (3681, 22106), (4737, 17178), (5726, 14211), (7362, 11053), (8589, 9474)]