81054225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{971}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 169221312

約数和(自身を除く): 88167087

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 53, 63, 75, 105, 159, 175, 225, 265, 315, 371, 477, 525, 795, 971, 1113, 1325, 1575, 1855, 2385, 2913, 3339, 3975, 4855, 5565, 6797, 8739, 9275, 11925, 14565, 16695, 20391, 24275, 27825, 33985, 43695, 51463, 61173, 72825, 83475, 101955, 154389, 169925, 218475, 257315, 305865, 360241, 463167, 509775, 771945, 1080723, 1286575, 1529325, 1801205, 2315835, 3242169, 3859725, 5403615, 9006025, 11579175, 16210845, 27018075, 81054225]

約数ペア:

[(1, 81054225), (3, 27018075), (5, 16210845), (7, 11579175), (9, 9006025), (15, 5403615), (21, 3859725), (25, 3242169), (35, 2315835), (45, 1801205), (53, 1529325), (63, 1286575), (75, 1080723), (105, 771945), (159, 509775), (175, 463167), (225, 360241), (265, 305865), (315, 257315), (371, 218475), (477, 169925), (525, 154389), (795, 101955), (971, 83475), (1113, 72825), (1325, 61173), (1575, 51463), (1855, 43695), (2385, 33985), (2913, 27825), (3339, 24275), (3975, 20391), (4855, 16695), (5565, 14565), (6797, 11925), (8739, 9275)]