47979009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 79672320

約数和(自身を除く): 31693311

約数列:

[1, 3, 9, 13, 19, 39, 57, 113, 117, 171, 191, 247, 339, 573, 741, 1017, 1469, 1719, 2147, 2223, 2483, 3629, 4407, 6441, 7449, 10887, 13221, 19323, 21583, 22347, 27911, 32661, 47177, 64749, 83733, 141531, 194247, 251199, 280579, 410077, 424593, 841737, 1230231, 2525211, 3690693, 5331001, 15993003, 47979009]

約数ペア:

[(1, 47979009), (3, 15993003), (9, 5331001), (13, 3690693), (19, 2525211), (39, 1230231), (57, 841737), (113, 424593), (117, 410077), (171, 280579), (191, 251199), (247, 194247), (339, 141531), (573, 83733), (741, 64749), (1017, 47177), (1469, 32661), (1719, 27911), (2147, 22347), (2223, 21583), (2483, 19323), (3629, 13221), (4407, 10887), (6441, 7449)]