2186415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 4732416

約数和(自身を除く): 2546001

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 631, 693, 1155, 1893, 3155, 3465, 4417, 5679, 6941, 9465, 13251, 20823, 22085, 28395, 34705, 39753, 48587, 62469, 66255, 104115, 145761, 198765, 242935, 312345, 437283, 728805, 2186415]

約数ペア:

[(1, 2186415), (3, 728805), (5, 437283), (7, 312345), (9, 242935), (11, 198765), (15, 145761), (21, 104115), (33, 66255), (35, 62469), (45, 48587), (55, 39753), (63, 34705), (77, 28395), (99, 22085), (105, 20823), (165, 13251), (231, 9465), (315, 6941), (385, 5679), (495, 4417), (631, 3465), (693, 3155), (1155, 1893)]