16455621

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 28089600

約数和(自身を除く): 11633979

約数列:

[1, 3, 7, 13, 21, 39, 49, 79, 91, 109, 147, 237, 273, 327, 553, 637, 763, 1027, 1417, 1659, 1911, 2289, 3081, 3871, 4251, 5341, 7189, 8611, 9919, 11613, 16023, 21567, 25833, 29757, 50323, 60277, 69433, 111943, 150969, 180831, 208299, 335829, 421939, 783601, 1265817, 2350803, 5485207, 16455621]

約数ペア:

[(1, 16455621), (3, 5485207), (7, 2350803), (13, 1265817), (21, 783601), (39, 421939), (49, 335829), (79, 208299), (91, 180831), (109, 150969), (147, 111943), (237, 69433), (273, 60277), (327, 50323), (553, 29757), (637, 25833), (763, 21567), (1027, 16023), (1417, 11613), (1659, 9919), (1911, 8611), (2289, 7189), (3081, 5341), (3871, 4251)]