84872655

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 174212064

約数和(自身を除く): 89339409

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 61, 63, 105, 147, 183, 245, 305, 315, 427, 441, 549, 631, 735, 915, 1281, 1893, 2135, 2205, 2745, 2989, 3155, 3843, 4417, 5679, 6405, 8967, 9465, 13251, 14945, 19215, 22085, 26901, 28395, 30919, 38491, 39753, 44835, 66255, 92757, 115473, 134505, 154595, 192455, 198765, 269437, 278271, 346419, 463785, 577365, 808311, 1347185, 1391355, 1732095, 1886059, 2424933, 4041555, 5658177, 9430295, 12124665, 16974531, 28290885, 84872655]

約数ペア:

[(1, 84872655), (3, 28290885), (5, 16974531), (7, 12124665), (9, 9430295), (15, 5658177), (21, 4041555), (35, 2424933), (45, 1886059), (49, 1732095), (61, 1391355), (63, 1347185), (105, 808311), (147, 577365), (183, 463785), (245, 346419), (305, 278271), (315, 269437), (427, 198765), (441, 192455), (549, 154595), (631, 134505), (735, 115473), (915, 92757), (1281, 66255), (1893, 44835), (2135, 39753), (2205, 38491), (2745, 30919), (2989, 28395), (3155, 26901), (3843, 22085), (4417, 19215), (5679, 14945), (6405, 13251), (8967, 9465)]