289898295

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{4481}}^1$

素因数の和:4735

約数の個数: 32

約数和(自身を含む): 490510080

約数和(自身を除く): 200611785

約数列:

[1, 3, 5, 15, 19, 57, 95, 227, 285, 681, 1135, 3405, 4313, 4481, 12939, 13443, 21565, 22405, 64695, 67215, 85139, 255417, 425695, 1017187, 1277085, 3051561, 5085935, 15257805, 19326553, 57979659, 96632765, 289898295]

約数ペア:

[(1, 289898295), (3, 96632765), (5, 57979659), (15, 19326553), (19, 15257805), (57, 5085935), (95, 3051561), (227, 1277085), (285, 1017187), (681, 425695), (1135, 255417), (3405, 85139), (4313, 67215), (4481, 64695), (12939, 22405), (13443, 21565)]