78558561

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1049}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 116461800

約数和(自身を除く): 37903239

約数列:

[1, 3, 9, 53, 157, 159, 471, 477, 1049, 1413, 3147, 8321, 9441, 24963, 55597, 74889, 164693, 166791, 494079, 500373, 1482237, 8728729, 26186187, 78558561]

約数ペア:

[(1, 78558561), (3, 26186187), (9, 8728729), (53, 1482237), (157, 500373), (159, 494079), (471, 166791), (477, 164693), (1049, 74889), (1413, 55597), (3147, 24963), (8321, 9441)]