28955775

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13313}}^1$

素因数の和:13355

約数の個数: 24

約数和(自身を含む): 49528080

約数和(自身を除く): 20572305

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13313, 39939, 66565, 199695, 332825, 386077, 998475, 1158231, 1930385, 5791155, 9651925, 28955775]

約数ペア:

[(1, 28955775), (3, 9651925), (5, 5791155), (15, 1930385), (25, 1158231), (29, 998475), (75, 386077), (87, 332825), (145, 199695), (435, 66565), (725, 39939), (2175, 13313)]