64996425

素因数分解:

$3^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 130172224

約数和(自身を除く): 65175799

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, 823, 975, 1053, 1215, 1755, 2025, 2469, 2925, 3159, 4115, 5265, 6075, 7407, 8775, 10699, 12345, 15795, 20575, 22221, 26325, 32097, 37035, 53495, 61725, 66663, 78975, 96291, 111105, 160485, 185175, 199989, 267475, 288873, 333315, 481455, 555525, 802425, 866619, 999945, 1444365, 1666575, 2407275, 2599857, 4333095, 4999725, 7221825, 12999285, 21665475, 64996425]

約数ペア:

[(1, 64996425), (3, 21665475), (5, 12999285), (9, 7221825), (13, 4999725), (15, 4333095), (25, 2599857), (27, 2407275), (39, 1666575), (45, 1444365), (65, 999945), (75, 866619), (81, 802425), (117, 555525), (135, 481455), (195, 333315), (225, 288873), (243, 267475), (325, 199989), (351, 185175), (405, 160485), (585, 111105), (675, 96291), (823, 78975), (975, 66663), (1053, 61725), (1215, 53495), (1755, 37035), (2025, 32097), (2469, 26325), (2925, 22221), (3159, 20575), (4115, 15795), (5265, 12345), (6075, 10699), (7407, 8775)]