207788685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{24781}}^1$

素因数の和:24845

約数の個数: 32

約数和(自身を含む): 366377088

約数和(自身を除く): 158588403

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 24781, 74343, 123905, 322153, 371715, 966459, 1065583, 1610765, 3196749, 4832295, 5327915, 13852579, 15983745, 41557737, 69262895, 207788685]

約数ペア:

[(1, 207788685), (3, 69262895), (5, 41557737), (13, 15983745), (15, 13852579), (39, 5327915), (43, 4832295), (65, 3196749), (129, 1610765), (195, 1065583), (215, 966459), (559, 371715), (645, 322153), (1677, 123905), (2795, 74343), (8385, 24781)]