28285395

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 48449280

約数和(自身を除く): 20163885

約数列:

[1, 3, 5, 15, 19, 57, 61, 95, 183, 285, 305, 915, 1159, 1627, 3477, 4881, 5795, 8135, 17385, 24405, 30913, 92739, 99247, 154565, 297741, 463695, 496235, 1488705, 1885693, 5657079, 9428465, 28285395]

約数ペア:

[(1, 28285395), (3, 9428465), (5, 5657079), (15, 1885693), (19, 1488705), (57, 496235), (61, 463695), (95, 297741), (183, 154565), (285, 99247), (305, 92739), (915, 30913), (1159, 24405), (1627, 17385), (3477, 8135), (4881, 5795)]