291217959

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^2\times {\mathrm{181}}^1$

素因数の和:400

約数の個数: 36

約数和(自身を含む): 449871240

約数和(自身を除く): 158653281

約数列:

[1, 3, 9, 19, 57, 97, 171, 181, 291, 543, 873, 1629, 1843, 3439, 5529, 9409, 10317, 16587, 17557, 28227, 30951, 52671, 84681, 158013, 178771, 333583, 536313, 1000749, 1608939, 1703029, 3002247, 5109087, 15327261, 32357551, 97072653, 291217959]

約数ペア:

[(1, 291217959), (3, 97072653), (9, 32357551), (19, 15327261), (57, 5109087), (97, 3002247), (171, 1703029), (181, 1608939), (291, 1000749), (543, 536313), (873, 333583), (1629, 178771), (1843, 158013), (3439, 84681), (5529, 52671), (9409, 30951), (10317, 28227), (16587, 17557)]