1205508717

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 2078208000

約数和(自身を除く): 872699283

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 163, 189, 327, 359, 489, 763, 981, 1077, 1141, 1467, 2289, 2513, 2943, 3231, 3423, 4401, 6867, 7539, 9693, 10269, 17767, 20601, 22617, 30807, 39131, 53301, 58517, 67851, 117393, 124369, 159903, 175551, 273917, 352179, 373107, 409619, 479709, 526653, 821751, 1056537, 1119321, 1228857, 1579959, 2465253, 3357963, 3686571, 6378353, 7395759, 11059713, 19135059, 44648471, 57405177, 133945413, 172215531, 401836239, 1205508717]

約数ペア:

[(1, 1205508717), (3, 401836239), (7, 172215531), (9, 133945413), (21, 57405177), (27, 44648471), (63, 19135059), (109, 11059713), (163, 7395759), (189, 6378353), (327, 3686571), (359, 3357963), (489, 2465253), (763, 1579959), (981, 1228857), (1077, 1119321), (1141, 1056537), (1467, 821751), (2289, 526653), (2513, 479709), (2943, 409619), (3231, 373107), (3423, 352179), (4401, 273917), (6867, 175551), (7539, 159903), (9693, 124369), (10269, 117393), (17767, 67851), (20601, 58517), (22617, 53301), (30807, 39131)]