189570921

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 81379479

約数列:

[1, 3, 31, 41, 83, 93, 123, 249, 599, 1271, 1797, 2573, 3403, 3813, 7719, 10209, 18569, 24559, 49717, 55707, 73677, 105493, 149151, 316479, 761329, 1541227, 2038397, 2283987, 4623681, 6115191, 63190307, 189570921]

約数ペア:

[(1, 189570921), (3, 63190307), (31, 6115191), (41, 4623681), (83, 2283987), (93, 2038397), (123, 1541227), (249, 761329), (599, 316479), (1271, 149151), (1797, 105493), (2573, 73677), (3403, 55707), (3813, 49717), (7719, 24559), (10209, 18569)]