27817818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 66266112

約数和(自身を除く): 38448294

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 73, 86, 129, 146, 211, 219, 258, 301, 422, 438, 511, 602, 633, 903, 1022, 1266, 1477, 1533, 1806, 2954, 3066, 3139, 4431, 6278, 8862, 9073, 9417, 15403, 18146, 18834, 21973, 27219, 30806, 43946, 46209, 54438, 63511, 65919, 92418, 107821, 127022, 131838, 190533, 215642, 323463, 381066, 646926, 662329, 1324658, 1986987, 3973974, 4636303, 9272606, 13908909, 27817818]

約数ペア:

[(1, 27817818), (2, 13908909), (3, 9272606), (6, 4636303), (7, 3973974), (14, 1986987), (21, 1324658), (42, 662329), (43, 646926), (73, 381066), (86, 323463), (129, 215642), (146, 190533), (211, 131838), (219, 127022), (258, 107821), (301, 92418), (422, 65919), (438, 63511), (511, 54438), (602, 46209), (633, 43946), (903, 30806), (1022, 27219), (1266, 21973), (1477, 18834), (1533, 18146), (1806, 15403), (2954, 9417), (3066, 9073), (3139, 8862), (4431, 6278)]