1397207979

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{24907}}^1$

素因数の和:25207

約数の個数: 24

約数和(自身を含む): 2113792512

約数和(自身を除く): 716584533

約数列:

[1, 3, 9, 23, 69, 207, 271, 813, 2439, 6233, 18699, 24907, 56097, 74721, 224163, 572861, 1718583, 5155749, 6749797, 20249391, 60748173, 155245331, 465735993, 1397207979]

約数ペア:

[(1, 1397207979), (3, 465735993), (9, 155245331), (23, 60748173), (69, 20249391), (207, 6749797), (271, 5155749), (813, 1718583), (2439, 572861), (6233, 224163), (18699, 74721), (24907, 56097)]