31789473

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 48045312

約数和(自身を除く): 16255839

約数列:

[1, 3, 17, 23, 41, 51, 69, 123, 391, 661, 697, 943, 1173, 1983, 2091, 2829, 11237, 15203, 16031, 27101, 33711, 45609, 48093, 81303, 258451, 460717, 623323, 775353, 1382151, 1869969, 10596491, 31789473]

約数ペア:

[(1, 31789473), (3, 10596491), (17, 1869969), (23, 1382151), (41, 775353), (51, 623323), (69, 460717), (123, 258451), (391, 81303), (661, 48093), (697, 45609), (943, 33711), (1173, 27101), (1983, 16031), (2091, 15203), (2829, 11237)]