81796995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 173721600

約数和(自身を除く): 91924605

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 79, 95, 105, 133, 171, 173, 237, 285, 315, 395, 399, 519, 553, 665, 711, 855, 865, 1185, 1197, 1211, 1501, 1557, 1659, 1995, 2595, 2765, 3287, 3555, 3633, 4503, 4977, 5985, 6055, 7505, 7785, 8295, 9861, 10507, 10899, 13509, 13667, 16435, 18165, 22515, 23009, 24885, 29583, 31521, 41001, 49305, 52535, 54495, 67545, 68335, 69027, 94563, 95669, 115045, 123003, 147915, 157605, 205005, 207081, 259673, 287007, 345135, 472815, 478345, 615015, 779019, 861021, 1035405, 1298365, 1435035, 1817711, 2337057, 3895095, 4305105, 5453133, 9088555, 11685285, 16359399, 27265665, 81796995]

約数ペア:

[(1, 81796995), (3, 27265665), (5, 16359399), (7, 11685285), (9, 9088555), (15, 5453133), (19, 4305105), (21, 3895095), (35, 2337057), (45, 1817711), (57, 1435035), (63, 1298365), (79, 1035405), (95, 861021), (105, 779019), (133, 615015), (171, 478345), (173, 472815), (237, 345135), (285, 287007), (315, 259673), (395, 207081), (399, 205005), (519, 157605), (553, 147915), (665, 123003), (711, 115045), (855, 95669), (865, 94563), (1185, 69027), (1197, 68335), (1211, 67545), (1501, 54495), (1557, 52535), (1659, 49305), (1995, 41001), (2595, 31521), (2765, 29583), (3287, 24885), (3555, 23009), (3633, 22515), (4503, 18165), (4977, 16435), (5985, 13667), (6055, 13509), (7505, 10899), (7785, 10507), (8295, 9861)]