420249087

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{4289}}^1$

素因数の和:4508

約数の個数: 32

約数和(自身を含む): 658944000

約数和(自身を除く): 238694913

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 513, 573, 1719, 3629, 4289, 5157, 10887, 12867, 32661, 38601, 81491, 97983, 115803, 244473, 733419, 819199, 2200257, 2457597, 7372791, 15564781, 22118373, 46694343, 140083029, 420249087]

約数ペア:

[(1, 420249087), (3, 140083029), (9, 46694343), (19, 22118373), (27, 15564781), (57, 7372791), (171, 2457597), (191, 2200257), (513, 819199), (573, 733419), (1719, 244473), (3629, 115803), (4289, 97983), (5157, 81491), (10887, 38601), (12867, 32661)]