65977425

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 128134656

約数和(自身を除く): 62157231

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 47, 51, 75, 85, 141, 153, 225, 235, 255, 367, 423, 425, 705, 765, 799, 1101, 1175, 1275, 1835, 2115, 2397, 3303, 3525, 3825, 3995, 5505, 6239, 7191, 9175, 10575, 11985, 16515, 17249, 18717, 19975, 27525, 31195, 35955, 51747, 56151, 59925, 82575, 86245, 93585, 155241, 155975, 179775, 258735, 280755, 293233, 431225, 467925, 776205, 879699, 1293675, 1403775, 1466165, 2639097, 3881025, 4398495, 7330825, 13195485, 21992475, 65977425]

約数ペア:

[(1, 65977425), (3, 21992475), (5, 13195485), (9, 7330825), (15, 4398495), (17, 3881025), (25, 2639097), (45, 1466165), (47, 1403775), (51, 1293675), (75, 879699), (85, 776205), (141, 467925), (153, 431225), (225, 293233), (235, 280755), (255, 258735), (367, 179775), (423, 155975), (425, 155241), (705, 93585), (765, 86245), (799, 82575), (1101, 59925), (1175, 56151), (1275, 51747), (1835, 35955), (2115, 31195), (2397, 27525), (3303, 19975), (3525, 18717), (3825, 17249), (3995, 16515), (5505, 11985), (6239, 10575), (7191, 9175)]