131400815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2699}}^1$

素因数の和:2831

約数の個数: 32

約数和(自身を含む): 195955200

約数和(自身を除く): 64554385

約数列:

[1, 5, 7, 13, 35, 65, 91, 107, 455, 535, 749, 1391, 2699, 3745, 6955, 9737, 13495, 18893, 35087, 48685, 94465, 175435, 245609, 288793, 1228045, 1443965, 2021551, 3754309, 10107755, 18771545, 26280163, 131400815]

約数ペア:

[(1, 131400815), (5, 26280163), (7, 18771545), (13, 10107755), (35, 3754309), (65, 2021551), (91, 1443965), (107, 1228045), (455, 288793), (535, 245609), (749, 175435), (1391, 94465), (2699, 48685), (3745, 35087), (6955, 18893), (9737, 13495)]