38380407

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 60451488

約数和(自身を除く): 22071081

約数列:

[1, 3, 13, 17, 39, 51, 61, 73, 169, 183, 219, 221, 507, 663, 793, 949, 1037, 1241, 2379, 2847, 2873, 3111, 3723, 4453, 8619, 10309, 12337, 13359, 13481, 16133, 30927, 37011, 40443, 48399, 57889, 75701, 173667, 175253, 209729, 227103, 525759, 629187, 752557, 984113, 2257671, 2952339, 12793469, 38380407]

約数ペア:

[(1, 38380407), (3, 12793469), (13, 2952339), (17, 2257671), (39, 984113), (51, 752557), (61, 629187), (73, 525759), (169, 227103), (183, 209729), (219, 175253), (221, 173667), (507, 75701), (663, 57889), (793, 48399), (949, 40443), (1037, 37011), (1241, 30927), (2379, 16133), (2847, 13481), (2873, 13359), (3111, 12337), (3723, 10309), (4453, 8619)]