428049375

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1033}}^1$

素因数の和:1086

約数の個数: 80

約数和(自身を含む): 814014432

約数和(自身を除く): 385965057

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 625, 663, 975, 1033, 1105, 1275, 1625, 1875, 2125, 3099, 3315, 4875, 5165, 5525, 6375, 8125, 10625, 13429, 15495, 16575, 17561, 24375, 25825, 27625, 31875, 40287, 52683, 67145, 77475, 82875, 87805, 129125, 138125, 201435, 228293, 263415, 335725, 387375, 414375, 439025, 645625, 684879, 1007175, 1141465, 1317075, 1678625, 1936875, 2195125, 3424395, 5035875, 5707325, 6585375, 8393125, 10975625, 17121975, 25179375, 28536625, 32926875, 85609875, 142683125, 428049375]

約数ペア:

[(1, 428049375), (3, 142683125), (5, 85609875), (13, 32926875), (15, 28536625), (17, 25179375), (25, 17121975), (39, 10975625), (51, 8393125), (65, 6585375), (75, 5707325), (85, 5035875), (125, 3424395), (195, 2195125), (221, 1936875), (255, 1678625), (325, 1317075), (375, 1141465), (425, 1007175), (625, 684879), (663, 645625), (975, 439025), (1033, 414375), (1105, 387375), (1275, 335725), (1625, 263415), (1875, 228293), (2125, 201435), (3099, 138125), (3315, 129125), (4875, 87805), (5165, 82875), (5525, 77475), (6375, 67145), (8125, 52683), (10625, 40287), (13429, 31875), (15495, 27625), (16575, 25825), (17561, 24375)]