819953265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2166

約数の個数: 64

約数和(自身を含む): 1480550400

約数和(自身を除く): 660597135

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 83, 85, 95, 249, 255, 285, 323, 415, 969, 1245, 1411, 1577, 1615, 2039, 4233, 4731, 4845, 6117, 7055, 7885, 10195, 21165, 23655, 26809, 30585, 34663, 38741, 80427, 103989, 116223, 134045, 169237, 173315, 193705, 402135, 507711, 519945, 581115, 658597, 846185, 1975791, 2538555, 2877029, 3215503, 3292985, 8631087, 9646509, 9878955, 14385145, 16077515, 43155435, 48232545, 54663551, 163990653, 273317755, 819953265]

約数ペア:

[(1, 819953265), (3, 273317755), (5, 163990653), (15, 54663551), (17, 48232545), (19, 43155435), (51, 16077515), (57, 14385145), (83, 9878955), (85, 9646509), (95, 8631087), (249, 3292985), (255, 3215503), (285, 2877029), (323, 2538555), (415, 1975791), (969, 846185), (1245, 658597), (1411, 581115), (1577, 519945), (1615, 507711), (2039, 402135), (4233, 193705), (4731, 173315), (4845, 169237), (6117, 134045), (7055, 116223), (7885, 103989), (10195, 80427), (21165, 38741), (23655, 34663), (26809, 30585)]