1287374403

素因数分解:

$3^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{13879}}^1$

素因数の和:14527

約数の個数: 24

約数和(自身を含む): 2000052480

約数和(自身を除く): 712678077

約数列:

[1, 3, 7, 21, 49, 147, 631, 1893, 4417, 13251, 13879, 30919, 41637, 92757, 97153, 291459, 680071, 2040213, 8757649, 26272947, 61303543, 183910629, 429124801, 1287374403]

約数ペア:

[(1, 1287374403), (3, 429124801), (7, 183910629), (21, 61303543), (49, 26272947), (147, 8757649), (631, 2040213), (1893, 680071), (4417, 291459), (13251, 97153), (13879, 92757), (30919, 41637)]