121870215

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1613}}^1$

素因数の和:1720

約数の個数: 48

約数和(自身を含む): 223584192

約数和(自身を除く): 101713977

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 657, 1035, 1095, 1613, 1679, 3285, 4839, 5037, 8065, 8395, 14517, 15111, 24195, 25185, 37099, 72585, 75555, 111297, 117749, 185495, 333891, 353247, 556485, 588745, 1059741, 1669455, 1766235, 2708227, 5298705, 8124681, 13541135, 24374043, 40623405, 121870215]

約数ペア:

[(1, 121870215), (3, 40623405), (5, 24374043), (9, 13541135), (15, 8124681), (23, 5298705), (45, 2708227), (69, 1766235), (73, 1669455), (115, 1059741), (207, 588745), (219, 556485), (345, 353247), (365, 333891), (657, 185495), (1035, 117749), (1095, 111297), (1613, 75555), (1679, 72585), (3285, 37099), (4839, 25185), (5037, 24195), (8065, 15111), (8395, 14517)]