81637308

素因数分解:

$2^2\times 3^5\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1853

約数の個数: 72

約数和(自身を含む): 218679552

約数和(自身を除く): 137042244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 81, 94, 108, 141, 162, 188, 243, 282, 324, 423, 486, 564, 846, 972, 1269, 1692, 1787, 2538, 3574, 3807, 5076, 5361, 7148, 7614, 10722, 11421, 15228, 16083, 21444, 22842, 32166, 45684, 48249, 64332, 83989, 96498, 144747, 167978, 192996, 251967, 289494, 335956, 434241, 503934, 578988, 755901, 868482, 1007868, 1511802, 1736964, 2267703, 3023604, 4535406, 6803109, 9070812, 13606218, 20409327, 27212436, 40818654, 81637308]

約数ペア:

[(1, 81637308), (2, 40818654), (3, 27212436), (4, 20409327), (6, 13606218), (9, 9070812), (12, 6803109), (18, 4535406), (27, 3023604), (36, 2267703), (47, 1736964), (54, 1511802), (81, 1007868), (94, 868482), (108, 755901), (141, 578988), (162, 503934), (188, 434241), (243, 335956), (282, 289494), (324, 251967), (423, 192996), (486, 167978), (564, 144747), (846, 96498), (972, 83989), (1269, 64332), (1692, 48249), (1787, 45684), (2538, 32166), (3574, 22842), (3807, 21444), (5076, 16083), (5361, 15228), (7148, 11421), (7614, 10722)]