15705977007

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{439}}^1\times {\mathrm{947}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 24536666880

約数和(自身を除く): 8830689873

約数列:

[1, 3, 7, 21, 49, 147, 257, 439, 771, 947, 1317, 1799, 2841, 3073, 5397, 6629, 9219, 12593, 19887, 21511, 37779, 46403, 64533, 112823, 139209, 243379, 338469, 415733, 730137, 789761, 1247199, 1703653, 2369283, 2910131, 5110959, 5528327, 8730393, 11925571, 16584981, 20370917, 35776713, 61112751, 106843381, 320530143, 747903667, 2243711001, 5235325669, 15705977007]

約数ペア:

[(1, 15705977007), (3, 5235325669), (7, 2243711001), (21, 747903667), (49, 320530143), (147, 106843381), (257, 61112751), (439, 35776713), (771, 20370917), (947, 16584981), (1317, 11925571), (1799, 8730393), (2841, 5528327), (3073, 5110959), (5397, 2910131), (6629, 2369283), (9219, 1703653), (12593, 1247199), (19887, 789761), (21511, 730137), (37779, 415733), (46403, 338469), (64533, 243379), (112823, 139209)]