7447147755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21649}}^1$

素因数の和:21764

約数の個数: 64

約数和(自身を含む): 13468032000

約数和(自身を除く): 6020884245

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 71, 85, 95, 213, 255, 285, 323, 355, 969, 1065, 1207, 1349, 1615, 3621, 4047, 4845, 6035, 6745, 18105, 20235, 21649, 22933, 64947, 68799, 108245, 114665, 324735, 343995, 368033, 411331, 1104099, 1233993, 1537079, 1840165, 2056655, 4611237, 5520495, 6169965, 6992627, 7685395, 20977881, 23056185, 26130343, 29204501, 34963135, 78391029, 87613503, 104889405, 130651715, 146022505, 391955145, 438067515, 496476517, 1489429551, 2482382585, 7447147755]

約数ペア:

[(1, 7447147755), (3, 2482382585), (5, 1489429551), (15, 496476517), (17, 438067515), (19, 391955145), (51, 146022505), (57, 130651715), (71, 104889405), (85, 87613503), (95, 78391029), (213, 34963135), (255, 29204501), (285, 26130343), (323, 23056185), (355, 20977881), (969, 7685395), (1065, 6992627), (1207, 6169965), (1349, 5520495), (1615, 4611237), (3621, 2056655), (4047, 1840165), (4845, 1537079), (6035, 1233993), (6745, 1104099), (18105, 411331), (20235, 368033), (21649, 343995), (22933, 324735), (64947, 114665), (68799, 108245)]