220195917

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 350309232

約数和(自身を除く): 130113315

約数列:

[1, 3, 9, 17, 37, 51, 97, 111, 153, 291, 333, 401, 629, 873, 1203, 1649, 1887, 3589, 3609, 4947, 5661, 6817, 10767, 14837, 14841, 20451, 32301, 38897, 44511, 61013, 61353, 116691, 133533, 183039, 252229, 350073, 549117, 661249, 756687, 1439189, 1983747, 2270061, 4317567, 5951241, 12952701, 24466213, 73398639, 220195917]

約数ペア:

[(1, 220195917), (3, 73398639), (9, 24466213), (17, 12952701), (37, 5951241), (51, 4317567), (97, 2270061), (111, 1983747), (153, 1439189), (291, 756687), (333, 661249), (401, 549117), (629, 350073), (873, 252229), (1203, 183039), (1649, 133533), (1887, 116691), (3589, 61353), (3609, 61013), (4947, 44511), (5661, 38897), (6817, 32301), (10767, 20451), (14837, 14841)]