72661617

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 56

約数和(自身を含む): 129061440

約数和(自身を除く): 56399823

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 491, 567, 609, 729, 783, 1473, 1701, 1827, 2349, 3437, 4419, 5103, 5481, 7047, 10311, 13257, 14239, 16443, 21141, 30933, 39771, 42717, 49329, 92799, 99673, 119313, 128151, 147987, 278397, 299019, 357939, 384453, 835191, 897057, 1153359, 2505573, 2691171, 3460077, 8073513, 10380231, 24220539, 72661617]

約数ペア:

[(1, 72661617), (3, 24220539), (7, 10380231), (9, 8073513), (21, 3460077), (27, 2691171), (29, 2505573), (63, 1153359), (81, 897057), (87, 835191), (189, 384453), (203, 357939), (243, 299019), (261, 278397), (491, 147987), (567, 128151), (609, 119313), (729, 99673), (783, 92799), (1473, 49329), (1701, 42717), (1827, 39771), (2349, 30933), (3437, 21141), (4419, 16443), (5103, 14239), (5481, 13257), (7047, 10311)]