63890775

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:847

約数の個数: 72

約数和(自身を含む): 127960560

約数和(自身を除く): 64069785

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 243, 325, 351, 405, 585, 675, 809, 975, 1053, 1215, 1755, 2025, 2427, 2925, 3159, 4045, 5265, 6075, 7281, 8775, 10517, 12135, 15795, 20225, 21843, 26325, 31551, 36405, 52585, 60675, 65529, 78975, 94653, 109215, 157755, 182025, 196587, 262925, 283959, 327645, 473265, 546075, 788775, 851877, 982935, 1419795, 1638225, 2366325, 2555631, 4259385, 4914675, 7098975, 12778155, 21296925, 63890775]

約数ペア:

[(1, 63890775), (3, 21296925), (5, 12778155), (9, 7098975), (13, 4914675), (15, 4259385), (25, 2555631), (27, 2366325), (39, 1638225), (45, 1419795), (65, 982935), (75, 851877), (81, 788775), (117, 546075), (135, 473265), (195, 327645), (225, 283959), (243, 262925), (325, 196587), (351, 182025), (405, 157755), (585, 109215), (675, 94653), (809, 78975), (975, 65529), (1053, 60675), (1215, 52585), (1755, 36405), (2025, 31551), (2427, 26325), (2925, 21843), (3159, 20225), (4045, 15795), (5265, 12135), (6075, 10517), (7281, 8775)]