225517311

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1933}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 348120000

約数和(自身を除く): 122602689

約数列:

[1, 3, 9, 27, 29, 87, 149, 261, 447, 783, 1341, 1933, 4023, 4321, 5799, 12963, 17397, 38889, 52191, 56057, 116667, 168171, 288017, 504513, 864051, 1513539, 2592153, 7776459, 8352493, 25057479, 75172437, 225517311]

約数ペア:

[(1, 225517311), (3, 75172437), (9, 25057479), (27, 8352493), (29, 7776459), (87, 2592153), (149, 1513539), (261, 864051), (447, 504513), (783, 288017), (1341, 168171), (1933, 116667), (4023, 56057), (4321, 52191), (5799, 38889), (12963, 17397)]