520161291

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 885427200

約数和(自身を除く): 365265909

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 179, 221, 351, 459, 487, 537, 663, 1461, 1611, 1989, 2327, 3043, 4383, 4833, 5967, 6331, 6981, 8279, 9129, 13149, 18993, 20943, 24837, 27387, 39559, 56979, 62829, 74511, 82161, 87173, 107627, 118677, 170937, 223533, 261519, 322881, 356031, 784557, 968643, 1068093, 1133249, 1481941, 2353671, 2905929, 3399747, 4445823, 10199241, 13337469, 19265233, 30597723, 40012407, 57795699, 173387097, 520161291]

約数ペア:

[(1, 520161291), (3, 173387097), (9, 57795699), (13, 40012407), (17, 30597723), (27, 19265233), (39, 13337469), (51, 10199241), (117, 4445823), (153, 3399747), (179, 2905929), (221, 2353671), (351, 1481941), (459, 1133249), (487, 1068093), (537, 968643), (663, 784557), (1461, 356031), (1611, 322881), (1989, 261519), (2327, 223533), (3043, 170937), (4383, 118677), (4833, 107627), (5967, 87173), (6331, 82161), (6981, 74511), (8279, 62829), (9129, 56979), (13149, 39559), (18993, 27387), (20943, 24837)]