42147819

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7517}}^1$

素因数の和:7619

約数の個数: 24

約数和(自身を含む): 70368480

約数和(自身を除く): 28220661

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 7517, 22551, 52619, 67653, 157857, 473571, 669013, 2007039, 4683091, 6021117, 14049273, 42147819]

約数ペア:

[(1, 42147819), (3, 14049273), (7, 6021117), (9, 4683091), (21, 2007039), (63, 669013), (89, 473571), (267, 157857), (623, 67653), (801, 52619), (1869, 22551), (5607, 7517)]