219680175

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20483}}^1$

素因数の和:20520

約数の個数: 48

約数和(自身を含む): 426722688

約数和(自身を除く): 207042513

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 20483, 61449, 102415, 225313, 266279, 307245, 512075, 675939, 798837, 1126565, 1331395, 1536225, 2929069, 3379695, 3994185, 5632825, 6656975, 8787207, 14645345, 16898475, 19970925, 43936035, 73226725, 219680175]

約数ペア:

[(1, 219680175), (3, 73226725), (5, 43936035), (11, 19970925), (13, 16898475), (15, 14645345), (25, 8787207), (33, 6656975), (39, 5632825), (55, 3994185), (65, 3379695), (75, 2929069), (143, 1536225), (165, 1331395), (195, 1126565), (275, 798837), (325, 675939), (429, 512075), (715, 307245), (825, 266279), (975, 225313), (2145, 102415), (3575, 61449), (10725, 20483)]