678665007

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 1099560960

約数和(自身を除く): 420895953

約数列:

[1, 3, 9, 17, 27, 47, 51, 141, 153, 163, 193, 423, 459, 489, 579, 799, 1269, 1467, 1737, 2397, 2771, 3281, 4401, 5211, 7191, 7661, 8313, 9071, 9843, 21573, 22983, 24939, 27213, 29529, 31459, 68949, 74817, 81639, 88587, 94377, 130237, 154207, 206847, 244917, 283131, 390711, 462621, 534803, 849393, 1172133, 1387863, 1478573, 1604409, 3516399, 4163589, 4435719, 4813227, 13307157, 14439681, 25135741, 39921471, 75407223, 226221669, 678665007]

約数ペア:

[(1, 678665007), (3, 226221669), (9, 75407223), (17, 39921471), (27, 25135741), (47, 14439681), (51, 13307157), (141, 4813227), (153, 4435719), (163, 4163589), (193, 3516399), (423, 1604409), (459, 1478573), (489, 1387863), (579, 1172133), (799, 849393), (1269, 534803), (1467, 462621), (1737, 390711), (2397, 283131), (2771, 244917), (3281, 206847), (4401, 154207), (5211, 130237), (7191, 94377), (7661, 88587), (8313, 81639), (9071, 74817), (9843, 68949), (21573, 31459), (22983, 29529), (24939, 27213)]