53640447

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 87552000

約数和(自身を除く): 33911553

約数列:

[1, 3, 7, 21, 31, 49, 79, 93, 147, 149, 217, 237, 447, 553, 651, 1043, 1519, 1659, 2449, 3129, 3871, 4557, 4619, 7301, 7347, 11613, 11771, 13857, 17143, 21903, 32333, 35313, 51429, 82397, 96999, 120001, 226331, 247191, 360003, 364901, 576779, 678993, 1094703, 1730337, 2554307, 7662921, 17880149, 53640447]

約数ペア:

[(1, 53640447), (3, 17880149), (7, 7662921), (21, 2554307), (31, 1730337), (49, 1094703), (79, 678993), (93, 576779), (147, 364901), (149, 360003), (217, 247191), (237, 226331), (447, 120001), (553, 96999), (651, 82397), (1043, 51429), (1519, 35313), (1659, 32333), (2449, 21903), (3129, 17143), (3871, 13857), (4557, 11771), (4619, 11613), (7301, 7347)]