27678315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 53876736

約数和(自身を除く): 26198421

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 105, 115, 157, 161, 219, 345, 365, 471, 483, 511, 785, 805, 1095, 1099, 1533, 1679, 2355, 2415, 2555, 3297, 3611, 5037, 5495, 7665, 8395, 10833, 11461, 11753, 16485, 18055, 25185, 25277, 34383, 35259, 54165, 57305, 58765, 75831, 80227, 126385, 171915, 176295, 240681, 263603, 379155, 401135, 790809, 1203405, 1318015, 1845221, 3954045, 5535663, 9226105, 27678315]

約数ペア:

[(1, 27678315), (3, 9226105), (5, 5535663), (7, 3954045), (15, 1845221), (21, 1318015), (23, 1203405), (35, 790809), (69, 401135), (73, 379155), (105, 263603), (115, 240681), (157, 176295), (161, 171915), (219, 126385), (345, 80227), (365, 75831), (471, 58765), (483, 57305), (511, 54165), (785, 35259), (805, 34383), (1095, 25277), (1099, 25185), (1533, 18055), (1679, 16485), (2355, 11753), (2415, 11461), (2555, 10833), (3297, 8395), (3611, 7665), (5037, 5495)]