81643284

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{653}}^1$

素因数の和:837

約数の個数: 72

約数和(自身を含む): 217107072

約数和(自身を除く): 135463788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 151, 207, 276, 302, 414, 453, 604, 653, 828, 906, 1306, 1359, 1812, 1959, 2612, 2718, 3473, 3918, 5436, 5877, 6946, 7836, 10419, 11754, 13892, 15019, 20838, 23508, 30038, 31257, 41676, 45057, 60076, 62514, 90114, 98603, 125028, 135171, 180228, 197206, 270342, 295809, 394412, 540684, 591618, 887427, 1183236, 1774854, 2267869, 3549708, 4535738, 6803607, 9071476, 13607214, 20410821, 27214428, 40821642, 81643284]

約数ペア:

[(1, 81643284), (2, 40821642), (3, 27214428), (4, 20410821), (6, 13607214), (9, 9071476), (12, 6803607), (18, 4535738), (23, 3549708), (36, 2267869), (46, 1774854), (69, 1183236), (92, 887427), (138, 591618), (151, 540684), (207, 394412), (276, 295809), (302, 270342), (414, 197206), (453, 180228), (604, 135171), (653, 125028), (828, 98603), (906, 90114), (1306, 62514), (1359, 60076), (1812, 45057), (1959, 41676), (2612, 31257), (2718, 30038), (3473, 23508), (3918, 20838), (5436, 15019), (5877, 13892), (6946, 11754), (7836, 10419)]