220147053

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 378252000

約数和(自身を除く): 158104947

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 149, 161, 399, 437, 447, 483, 529, 931, 1043, 1127, 1311, 1587, 2793, 2831, 3059, 3129, 3381, 3427, 3703, 7301, 8493, 9177, 10051, 10281, 11109, 19817, 21413, 21903, 23989, 25921, 30153, 59451, 64239, 65113, 70357, 71967, 77763, 78821, 138719, 167923, 195339, 211071, 236463, 416157, 455791, 492499, 503769, 551747, 1367373, 1477497, 1497599, 1655241, 3190537, 3862229, 4492797, 9571611, 10483193, 11586687, 31449579, 73382351, 220147053]

約数ペア:

[(1, 220147053), (3, 73382351), (7, 31449579), (19, 11586687), (21, 10483193), (23, 9571611), (49, 4492797), (57, 3862229), (69, 3190537), (133, 1655241), (147, 1497599), (149, 1477497), (161, 1367373), (399, 551747), (437, 503769), (447, 492499), (483, 455791), (529, 416157), (931, 236463), (1043, 211071), (1127, 195339), (1311, 167923), (1587, 138719), (2793, 78821), (2831, 77763), (3059, 71967), (3129, 70357), (3381, 65113), (3427, 64239), (3703, 59451), (7301, 30153), (8493, 25921), (9177, 23989), (10051, 21903), (10281, 21413), (11109, 19817)]