204578145

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2767}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 373082112

約数和(自身を除く): 168503967

約数列:

[1, 3, 5, 9, 15, 31, 45, 53, 93, 155, 159, 265, 279, 465, 477, 795, 1395, 1643, 2385, 2767, 4929, 8215, 8301, 13835, 14787, 24645, 24903, 41505, 73935, 85777, 124515, 146651, 257331, 428885, 439953, 733255, 771993, 1286655, 1319859, 2199765, 3859965, 4546181, 6599295, 13638543, 22730905, 40915629, 68192715, 204578145]

約数ペア:

[(1, 204578145), (3, 68192715), (5, 40915629), (9, 22730905), (15, 13638543), (31, 6599295), (45, 4546181), (53, 3859965), (93, 2199765), (155, 1319859), (159, 1286655), (265, 771993), (279, 733255), (465, 439953), (477, 428885), (795, 257331), (1395, 146651), (1643, 124515), (2385, 85777), (2767, 73935), (4929, 41505), (8215, 24903), (8301, 24645), (13835, 14787)]