215417517

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1\times {\mathrm{683}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 343554048

約数和(自身を除く): 128136531

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 653, 683, 1959, 2049, 4571, 4781, 13713, 14343, 15019, 15709, 45057, 47127, 105133, 109963, 315399, 329889, 445999, 1337997, 3121993, 9365979, 10257977, 30773931, 71805839, 215417517]

約数ペア:

[(1, 215417517), (3, 71805839), (7, 30773931), (21, 10257977), (23, 9365979), (69, 3121993), (161, 1337997), (483, 445999), (653, 329889), (683, 315399), (1959, 109963), (2049, 105133), (4571, 47127), (4781, 45057), (13713, 15709), (14343, 15019)]