290717085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{2341}}^1$

素因数の和:2853

約数の個数: 32

約数和(自身を含む): 493731072

約数和(自身を除く): 203013987

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 487, 1461, 2341, 2435, 7023, 7305, 8279, 11705, 24837, 35115, 39797, 41395, 119391, 124185, 198985, 596955, 1140067, 3420201, 5700335, 17101005, 19381139, 58143417, 96905695, 290717085]

約数ペア:

[(1, 290717085), (3, 96905695), (5, 58143417), (15, 19381139), (17, 17101005), (51, 5700335), (85, 3420201), (255, 1140067), (487, 596955), (1461, 198985), (2341, 124185), (2435, 119391), (7023, 41395), (7305, 39797), (8279, 35115), (11705, 24837)]