31280445

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 64512000

約数和(自身を除く): 33231555

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 79, 105, 135, 189, 237, 315, 395, 419, 553, 711, 945, 1185, 1257, 1659, 2095, 2133, 2765, 2933, 3555, 3771, 4977, 6285, 8295, 8799, 10665, 11313, 14665, 14931, 18855, 24885, 26397, 33101, 43995, 56565, 74655, 79191, 99303, 131985, 165505, 231707, 297909, 395955, 496515, 695121, 893727, 1158535, 1489545, 2085363, 3475605, 4468635, 6256089, 10426815, 31280445]

約数ペア:

[(1, 31280445), (3, 10426815), (5, 6256089), (7, 4468635), (9, 3475605), (15, 2085363), (21, 1489545), (27, 1158535), (35, 893727), (45, 695121), (63, 496515), (79, 395955), (105, 297909), (135, 231707), (189, 165505), (237, 131985), (315, 99303), (395, 79191), (419, 74655), (553, 56565), (711, 43995), (945, 33101), (1185, 26397), (1257, 24885), (1659, 18855), (2095, 14931), (2133, 14665), (2765, 11313), (2933, 10665), (3555, 8799), (3771, 8295), (4977, 6285)]