289389639

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 492742656

約数和(自身を除く): 203353017

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 191, 231, 539, 573, 937, 1337, 1617, 2101, 2811, 4011, 6303, 6559, 9359, 10307, 14707, 19677, 28077, 30921, 44121, 45913, 72149, 102949, 137739, 178967, 216447, 308847, 505043, 536901, 1252769, 1515129, 1968637, 3758307, 5905911, 8769383, 13780459, 26308149, 41341377, 96463213, 289389639]

約数ペア:

[(1, 289389639), (3, 96463213), (7, 41341377), (11, 26308149), (21, 13780459), (33, 8769383), (49, 5905911), (77, 3758307), (147, 1968637), (191, 1515129), (231, 1252769), (539, 536901), (573, 505043), (937, 308847), (1337, 216447), (1617, 178967), (2101, 137739), (2811, 102949), (4011, 72149), (6303, 45913), (6559, 44121), (9359, 30921), (10307, 28077), (14707, 19677)]