7920003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 13221376

約数和(自身を除く): 5301373

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 433, 469, 871, 1299, 1407, 2613, 3031, 5629, 6097, 9093, 16887, 18291, 29011, 39403, 87033, 118209, 203077, 377143, 609231, 1131429, 2640001, 7920003]

約数ペア:

[(1, 7920003), (3, 2640001), (7, 1131429), (13, 609231), (21, 377143), (39, 203077), (67, 118209), (91, 87033), (201, 39403), (273, 29011), (433, 18291), (469, 16887), (871, 9093), (1299, 6097), (1407, 5629), (2613, 3031)]