85899285

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 165241440

約数和(自身を除く): 79342155

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 81, 95, 135, 171, 183, 243, 285, 305, 405, 513, 549, 855, 915, 1159, 1215, 1539, 1647, 2565, 2745, 3477, 3721, 4617, 4941, 5795, 7695, 8235, 10431, 11163, 14823, 17385, 18605, 23085, 24705, 31293, 33489, 52155, 55815, 70699, 74115, 93879, 100467, 156465, 167445, 212097, 281637, 301401, 353495, 469395, 502335, 636291, 904203, 1060485, 1408185, 1507005, 1908873, 3181455, 4521015, 5726619, 9544365, 17179857, 28633095, 85899285]

約数ペア:

[(1, 85899285), (3, 28633095), (5, 17179857), (9, 9544365), (15, 5726619), (19, 4521015), (27, 3181455), (45, 1908873), (57, 1507005), (61, 1408185), (81, 1060485), (95, 904203), (135, 636291), (171, 502335), (183, 469395), (243, 353495), (285, 301401), (305, 281637), (405, 212097), (513, 167445), (549, 156465), (855, 100467), (915, 93879), (1159, 74115), (1215, 70699), (1539, 55815), (1647, 52155), (2565, 33489), (2745, 31293), (3477, 24705), (3721, 23085), (4617, 18605), (4941, 17385), (5795, 14823), (7695, 11163), (8235, 10431)]