1781957997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2027}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 2790365760

約数和(自身を除く): 1008407763

約数列:

[1, 3, 9, 19, 53, 57, 97, 159, 171, 291, 477, 873, 1007, 1843, 2027, 3021, 5141, 5529, 6081, 9063, 15423, 16587, 18243, 38513, 46269, 97679, 107431, 115539, 196619, 293037, 322293, 346617, 589857, 879111, 966879, 1769571, 2041189, 3735761, 6123567, 10420807, 11207283, 18370701, 31262421, 33621849, 93787263, 197995333, 593985999, 1781957997]

約数ペア:

[(1, 1781957997), (3, 593985999), (9, 197995333), (19, 93787263), (53, 33621849), (57, 31262421), (97, 18370701), (159, 11207283), (171, 10420807), (291, 6123567), (477, 3735761), (873, 2041189), (1007, 1769571), (1843, 966879), (2027, 879111), (3021, 589857), (5141, 346617), (5529, 322293), (6081, 293037), (9063, 196619), (15423, 115539), (16587, 107431), (18243, 97679), (38513, 46269)]