16478847

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 31299840

約数和(自身を除く): 14820993

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 49, 63, 77, 79, 99, 129, 147, 231, 237, 301, 387, 441, 473, 539, 553, 693, 711, 869, 903, 1419, 1617, 1659, 2107, 2607, 2709, 3311, 3397, 3871, 4257, 4851, 4977, 6083, 6321, 7821, 9933, 10191, 11613, 18249, 18963, 23177, 23779, 29799, 30573, 34839, 37367, 42581, 54747, 69531, 71337, 112101, 127743, 166453, 208593, 214011, 261569, 336303, 383229, 499359, 784707, 1498077, 1830983, 2354121, 5492949, 16478847]

約数ペア:

[(1, 16478847), (3, 5492949), (7, 2354121), (9, 1830983), (11, 1498077), (21, 784707), (33, 499359), (43, 383229), (49, 336303), (63, 261569), (77, 214011), (79, 208593), (99, 166453), (129, 127743), (147, 112101), (231, 71337), (237, 69531), (301, 54747), (387, 42581), (441, 37367), (473, 34839), (539, 30573), (553, 29799), (693, 23779), (711, 23177), (869, 18963), (903, 18249), (1419, 11613), (1617, 10191), (1659, 9933), (2107, 7821), (2607, 6321), (2709, 6083), (3311, 4977), (3397, 4851), (3871, 4257)]