15780369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 25380864

約数和(自身を除く): 9600495

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1223, 3669, 4301, 12903, 13453, 20791, 28129, 40359, 62373, 84387, 228701, 309419, 478193, 686103, 928257, 1434579, 5260123, 15780369]

約数ペア:

[(1, 15780369), (3, 5260123), (11, 1434579), (17, 928257), (23, 686103), (33, 478193), (51, 309419), (69, 228701), (187, 84387), (253, 62373), (391, 40359), (561, 28129), (759, 20791), (1173, 13453), (1223, 12903), (3669, 4301)]