27209259

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 51217920

約数和(自身を除く): 24008661

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 71, 77, 79, 99, 147, 213, 231, 237, 441, 497, 539, 553, 639, 693, 711, 781, 869, 1491, 1617, 1659, 2343, 2607, 3479, 3871, 4473, 4851, 4977, 5467, 5609, 6083, 7029, 7821, 10437, 11613, 16401, 16827, 18249, 31311, 34839, 38269, 39263, 42581, 49203, 50481, 54747, 61699, 114807, 117789, 127743, 185097, 274841, 344421, 353367, 383229, 431893, 555291, 824523, 1295679, 2473569, 3023251, 3887037, 9069753, 27209259]

約数ペア:

[(1, 27209259), (3, 9069753), (7, 3887037), (9, 3023251), (11, 2473569), (21, 1295679), (33, 824523), (49, 555291), (63, 431893), (71, 383229), (77, 353367), (79, 344421), (99, 274841), (147, 185097), (213, 127743), (231, 117789), (237, 114807), (441, 61699), (497, 54747), (539, 50481), (553, 49203), (639, 42581), (693, 39263), (711, 38269), (781, 34839), (869, 31311), (1491, 18249), (1617, 16827), (1659, 16401), (2343, 11613), (2607, 10437), (3479, 7821), (3871, 7029), (4473, 6083), (4851, 5609), (4977, 5467)]