661655907

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{6883}}^1$

素因数の和:7871

約数の個数: 24

約数和(自身を含む): 1043834688

約数和(自身を除く): 382178781

約数列:

[1, 3, 9, 11, 33, 99, 971, 2913, 6883, 8739, 10681, 20649, 32043, 61947, 75713, 96129, 227139, 681417, 6683393, 20050179, 60150537, 73517323, 220551969, 661655907]

約数ペア:

[(1, 661655907), (3, 220551969), (9, 73517323), (11, 60150537), (33, 20050179), (99, 6683393), (971, 681417), (2913, 227139), (6883, 96129), (8739, 75713), (10681, 61947), (20649, 32043)]