157819905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 287763840

約数和(自身を除く): 129943935

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 139, 207, 345, 417, 695, 1035, 1097, 1251, 2085, 3197, 3291, 5485, 6255, 9591, 9873, 15985, 16455, 25231, 28773, 47955, 49365, 75693, 126155, 143865, 152483, 227079, 378465, 457449, 762415, 1135395, 1372347, 2287245, 3507109, 6861735, 10521327, 17535545, 31563981, 52606635, 157819905]

約数ペア:

[(1, 157819905), (3, 52606635), (5, 31563981), (9, 17535545), (15, 10521327), (23, 6861735), (45, 3507109), (69, 2287245), (115, 1372347), (139, 1135395), (207, 762415), (345, 457449), (417, 378465), (695, 227079), (1035, 152483), (1097, 143865), (1251, 126155), (2085, 75693), (3197, 49365), (3291, 47955), (5485, 28773), (6255, 25231), (9591, 16455), (9873, 15985)]