15205827

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 25982880

約数和(自身を除く): 10777053

約数列:

[1, 3, 7, 13, 21, 39, 49, 73, 91, 109, 147, 219, 273, 327, 511, 637, 763, 949, 1417, 1533, 1911, 2289, 2847, 3577, 4251, 5341, 6643, 7957, 9919, 10731, 16023, 19929, 23871, 29757, 46501, 55699, 69433, 103441, 139503, 167097, 208299, 310323, 389893, 724087, 1169679, 2172261, 5068609, 15205827]

約数ペア:

[(1, 15205827), (3, 5068609), (7, 2172261), (13, 1169679), (21, 724087), (39, 389893), (49, 310323), (73, 208299), (91, 167097), (109, 139503), (147, 103441), (219, 69433), (273, 55699), (327, 46501), (511, 29757), (637, 23871), (763, 19929), (949, 16023), (1417, 10731), (1533, 9919), (1911, 7957), (2289, 6643), (2847, 5341), (3577, 4251)]