2721015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2670345

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 69, 99, 115, 165, 207, 239, 253, 345, 495, 717, 759, 1035, 1195, 1265, 2151, 2277, 2629, 3585, 3795, 5497, 7887, 10755, 11385, 13145, 16491, 23661, 27485, 39435, 49473, 60467, 82455, 118305, 181401, 247365, 302335, 544203, 907005, 2721015]

約数ペア:

[(1, 2721015), (3, 907005), (5, 544203), (9, 302335), (11, 247365), (15, 181401), (23, 118305), (33, 82455), (45, 60467), (55, 49473), (69, 39435), (99, 27485), (115, 23661), (165, 16491), (207, 13145), (239, 11385), (253, 10755), (345, 7887), (495, 5497), (717, 3795), (759, 3585), (1035, 2629), (1195, 2277), (1265, 2151)]