27996255

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 59424768

約数和(自身を除く): 31428513

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 47, 61, 63, 93, 105, 141, 155, 183, 217, 235, 279, 305, 315, 329, 423, 427, 465, 549, 651, 705, 915, 987, 1085, 1281, 1395, 1457, 1645, 1891, 1953, 2115, 2135, 2745, 2867, 2961, 3255, 3843, 4371, 4935, 5673, 6405, 7285, 8601, 9455, 9765, 10199, 13113, 13237, 14335, 14805, 17019, 19215, 20069, 21855, 25803, 28365, 30597, 39711, 43005, 50995, 60207, 65565, 66185, 85095, 88877, 91791, 100345, 119133, 129015, 152985, 180621, 198555, 266631, 301035, 444385, 458955, 595665, 622139, 799893, 903105, 1333155, 1866417, 3110695, 3999465, 5599251, 9332085, 27996255]

約数ペア:

[(1, 27996255), (3, 9332085), (5, 5599251), (7, 3999465), (9, 3110695), (15, 1866417), (21, 1333155), (31, 903105), (35, 799893), (45, 622139), (47, 595665), (61, 458955), (63, 444385), (93, 301035), (105, 266631), (141, 198555), (155, 180621), (183, 152985), (217, 129015), (235, 119133), (279, 100345), (305, 91791), (315, 88877), (329, 85095), (423, 66185), (427, 65565), (465, 60207), (549, 50995), (651, 43005), (705, 39711), (915, 30597), (987, 28365), (1085, 25803), (1281, 21855), (1395, 20069), (1457, 19215), (1645, 17019), (1891, 14805), (1953, 14335), (2115, 13237), (2135, 13113), (2745, 10199), (2867, 9765), (2961, 9455), (3255, 8601), (3843, 7285), (4371, 6405), (4935, 5673)]