207843909

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10723}}^1$

素因数の和:10817

約数の個数: 32

約数和(自身を含む): 345913344

約数和(自身を除く): 138069435

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 10723, 19383, 32169, 75061, 139399, 225183, 418197, 761333, 975793, 2283999, 2927379, 5329331, 9897329, 15987993, 29691987, 69281303, 207843909]

約数ペア:

[(1, 207843909), (3, 69281303), (7, 29691987), (13, 15987993), (21, 9897329), (39, 5329331), (71, 2927379), (91, 2283999), (213, 975793), (273, 761333), (497, 418197), (923, 225183), (1491, 139399), (2769, 75061), (6461, 32169), (10723, 19383)]