66507651

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 119508480

約数和(自身を除く): 53000829

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 79, 83, 147, 161, 207, 237, 249, 441, 483, 553, 581, 711, 747, 1127, 1449, 1659, 1743, 1817, 1909, 3381, 3871, 4067, 4977, 5229, 5451, 5727, 6557, 10143, 11613, 12201, 12719, 13363, 16353, 17181, 19671, 34839, 36603, 38157, 40089, 45899, 59013, 89033, 93541, 114471, 120267, 137697, 150811, 267099, 280623, 321293, 413091, 452433, 801297, 841869, 963879, 1055677, 1357299, 2891637, 3167031, 7389739, 9501093, 22169217, 66507651]

約数ペア:

[(1, 66507651), (3, 22169217), (7, 9501093), (9, 7389739), (21, 3167031), (23, 2891637), (49, 1357299), (63, 1055677), (69, 963879), (79, 841869), (83, 801297), (147, 452433), (161, 413091), (207, 321293), (237, 280623), (249, 267099), (441, 150811), (483, 137697), (553, 120267), (581, 114471), (711, 93541), (747, 89033), (1127, 59013), (1449, 45899), (1659, 40089), (1743, 38157), (1817, 36603), (1909, 34839), (3381, 19671), (3871, 17181), (4067, 16353), (4977, 13363), (5229, 12719), (5451, 12201), (5727, 11613), (6557, 10143)]