82021815

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 156119040

約数和(自身を除く): 74097225

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 47, 81, 93, 135, 139, 141, 155, 235, 279, 405, 417, 423, 465, 695, 705, 837, 1251, 1269, 1395, 1457, 2085, 2115, 2511, 3753, 3807, 4185, 4309, 4371, 6255, 6345, 6533, 7285, 11259, 12555, 12927, 13113, 18765, 19035, 19599, 21545, 21855, 32665, 38781, 39339, 56295, 58797, 64635, 65565, 97995, 116343, 118017, 176391, 193905, 196695, 202523, 293985, 349029, 529173, 581715, 590085, 607569, 881955, 1012615, 1745145, 1822707, 2645865, 3037845, 5468121, 9113535, 16404363, 27340605, 82021815]

約数ペア:

[(1, 82021815), (3, 27340605), (5, 16404363), (9, 9113535), (15, 5468121), (27, 3037845), (31, 2645865), (45, 1822707), (47, 1745145), (81, 1012615), (93, 881955), (135, 607569), (139, 590085), (141, 581715), (155, 529173), (235, 349029), (279, 293985), (405, 202523), (417, 196695), (423, 193905), (465, 176391), (695, 118017), (705, 116343), (837, 97995), (1251, 65565), (1269, 64635), (1395, 58797), (1457, 56295), (2085, 39339), (2115, 38781), (2511, 32665), (3753, 21855), (3807, 21545), (4185, 19599), (4309, 19035), (4371, 18765), (6255, 13113), (6345, 12927), (6533, 12555), (7285, 11259)]