161856255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^5\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 289118592

約数和(自身を除く): 127262337

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 121, 165, 201, 335, 363, 605, 737, 1005, 1331, 1815, 2211, 3685, 3993, 6655, 8107, 11055, 14641, 19965, 24321, 40535, 43923, 73205, 89177, 121605, 161051, 219615, 267531, 445885, 483153, 805255, 980947, 1337655, 2415765, 2942841, 4904735, 10790417, 14714205, 32371251, 53952085, 161856255]

約数ペア:

[(1, 161856255), (3, 53952085), (5, 32371251), (11, 14714205), (15, 10790417), (33, 4904735), (55, 2942841), (67, 2415765), (121, 1337655), (165, 980947), (201, 805255), (335, 483153), (363, 445885), (605, 267531), (737, 219615), (1005, 161051), (1331, 121605), (1815, 89177), (2211, 73205), (3685, 43923), (3993, 40535), (6655, 24321), (8107, 19965), (11055, 14641)]