242150415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28879}}^1$

素因数の和:28943

約数の個数: 32

約数和(自身を含む): 426961920

約数和(自身を除く): 184811505

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 28879, 86637, 144395, 375427, 433185, 1126281, 1241797, 1877135, 3725391, 5631405, 6208985, 16143361, 18626955, 48430083, 80716805, 242150415]

約数ペア:

[(1, 242150415), (3, 80716805), (5, 48430083), (13, 18626955), (15, 16143361), (39, 6208985), (43, 5631405), (65, 3725391), (129, 1877135), (195, 1241797), (215, 1126281), (559, 433185), (645, 375427), (1677, 144395), (2795, 86637), (8385, 28879)]