40125813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1427}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 66533376

約数和(自身を除く): 26407563

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 1427, 2163, 4017, 4281, 9373, 9989, 18551, 28119, 29967, 55653, 129857, 146981, 389571, 440943, 1028867, 1910753, 3086601, 5732259, 13375271, 40125813]

約数ペア:

[(1, 40125813), (3, 13375271), (7, 5732259), (13, 3086601), (21, 1910753), (39, 1028867), (91, 440943), (103, 389571), (273, 146981), (309, 129857), (721, 55653), (1339, 29967), (1427, 28119), (2163, 18551), (4017, 9989), (4281, 9373)]