31696731

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 23944869

約数列:

[1, 3, 9, 11, 19, 27, 33, 41, 57, 99, 123, 137, 171, 209, 297, 369, 411, 451, 513, 627, 779, 1107, 1233, 1353, 1507, 1881, 2337, 2603, 3699, 4059, 4521, 5617, 5643, 7011, 7809, 8569, 12177, 13563, 16851, 21033, 23427, 25707, 28633, 40689, 50553, 61787, 70281, 77121, 85899, 106723, 151659, 185361, 231363, 257697, 320169, 556083, 773091, 960507, 1173953, 1668249, 2881521, 3521859, 10565577, 31696731]

約数ペア:

[(1, 31696731), (3, 10565577), (9, 3521859), (11, 2881521), (19, 1668249), (27, 1173953), (33, 960507), (41, 773091), (57, 556083), (99, 320169), (123, 257697), (137, 231363), (171, 185361), (209, 151659), (297, 106723), (369, 85899), (411, 77121), (451, 70281), (513, 61787), (627, 50553), (779, 40689), (1107, 28633), (1233, 25707), (1353, 23427), (1507, 21033), (1881, 16851), (2337, 13563), (2603, 12177), (3699, 8569), (4059, 7809), (4521, 7011), (5617, 5643)]