64870065

素因数分解:

$3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2$

素因数の和:110

約数の個数: 84

約数和(自身を含む): 129179484

約数和(自身を除く): 64309419

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 111, 117, 135, 185, 195, 243, 333, 351, 405, 481, 555, 585, 729, 999, 1053, 1215, 1369, 1443, 1665, 1755, 2405, 2997, 3159, 3645, 4107, 4329, 4995, 5265, 6845, 7215, 8991, 9477, 12321, 12987, 14985, 15795, 17797, 20535, 21645, 26973, 36963, 38961, 44955, 47385, 53391, 61605, 64935, 88985, 110889, 116883, 134865, 160173, 184815, 194805, 266955, 332667, 350649, 480519, 554445, 584415, 800865, 998001, 1441557, 1663335, 1753245, 2402595, 4324671, 4990005, 7207785, 12974013, 21623355, 64870065]

約数ペア:

[(1, 64870065), (3, 21623355), (5, 12974013), (9, 7207785), (13, 4990005), (15, 4324671), (27, 2402595), (37, 1753245), (39, 1663335), (45, 1441557), (65, 998001), (81, 800865), (111, 584415), (117, 554445), (135, 480519), (185, 350649), (195, 332667), (243, 266955), (333, 194805), (351, 184815), (405, 160173), (481, 134865), (555, 116883), (585, 110889), (729, 88985), (999, 64935), (1053, 61605), (1215, 53391), (1369, 47385), (1443, 44955), (1665, 38961), (1755, 36963), (2405, 26973), (2997, 21645), (3159, 20535), (3645, 17797), (4107, 15795), (4329, 14985), (4995, 12987), (5265, 12321), (6845, 9477), (7215, 8991)]