31328115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 31571085

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 273, 295, 389, 413, 455, 767, 885, 1167, 1239, 1365, 1945, 2065, 2301, 2723, 3835, 5057, 5369, 5835, 6195, 8169, 11505, 13615, 15171, 16107, 22951, 25285, 26845, 35399, 40845, 68853, 75855, 80535, 106197, 114755, 160657, 176995, 298363, 344265, 481971, 530985, 803285, 895089, 1491815, 2088541, 2409855, 4475445, 6265623, 10442705, 31328115]

約数ペア:

[(1, 31328115), (3, 10442705), (5, 6265623), (7, 4475445), (13, 2409855), (15, 2088541), (21, 1491815), (35, 895089), (39, 803285), (59, 530985), (65, 481971), (91, 344265), (105, 298363), (177, 176995), (195, 160657), (273, 114755), (295, 106197), (389, 80535), (413, 75855), (455, 68853), (767, 40845), (885, 35399), (1167, 26845), (1239, 25285), (1365, 22951), (1945, 16107), (2065, 15171), (2301, 13615), (2723, 11505), (3835, 8169), (5057, 6195), (5369, 5835)]