721625436

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{35353}}^1$

素因数の和:35382

約数の個数: 84

約数和(自身を含む): 2163947632

約数和(自身を除く): 1442322196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 5103, 6804, 10206, 20412, 35353, 70706, 106059, 141412, 212118, 247471, 318177, 424236, 494942, 636354, 742413, 954531, 989884, 1272708, 1484826, 1909062, 2227239, 2863593, 2969652, 3818124, 4454478, 5727186, 6681717, 8590779, 8908956, 11454372, 13363434, 17181558, 20045151, 25772337, 26726868, 34363116, 40090302, 51544674, 60135453, 80180604, 103089348, 120270906, 180406359, 240541812, 360812718, 721625436]

約数ペア:

[(1, 721625436), (2, 360812718), (3, 240541812), (4, 180406359), (6, 120270906), (7, 103089348), (9, 80180604), (12, 60135453), (14, 51544674), (18, 40090302), (21, 34363116), (27, 26726868), (28, 25772337), (36, 20045151), (42, 17181558), (54, 13363434), (63, 11454372), (81, 8908956), (84, 8590779), (108, 6681717), (126, 5727186), (162, 4454478), (189, 3818124), (243, 2969652), (252, 2863593), (324, 2227239), (378, 1909062), (486, 1484826), (567, 1272708), (729, 989884), (756, 954531), (972, 742413), (1134, 636354), (1458, 494942), (1701, 424236), (2268, 318177), (2916, 247471), (3402, 212118), (5103, 141412), (6804, 106059), (10206, 70706), (20412, 35353)]