54375705

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 103707648

約数和(自身を除く): 49331943

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 61, 71, 81, 93, 135, 155, 183, 213, 279, 305, 355, 405, 465, 549, 639, 837, 915, 1065, 1395, 1647, 1891, 1917, 2201, 2511, 2745, 3195, 4185, 4331, 4941, 5673, 5751, 6603, 8235, 9455, 9585, 11005, 12555, 12993, 17019, 19809, 21655, 24705, 28365, 28755, 33015, 38979, 51057, 59427, 64965, 85095, 99045, 116937, 134261, 153171, 178281, 194895, 255285, 297135, 350811, 402783, 584685, 671305, 765855, 891405, 1208349, 1754055, 2013915, 3625047, 6041745, 10875141, 18125235, 54375705]

約数ペア:

[(1, 54375705), (3, 18125235), (5, 10875141), (9, 6041745), (15, 3625047), (27, 2013915), (31, 1754055), (45, 1208349), (61, 891405), (71, 765855), (81, 671305), (93, 584685), (135, 402783), (155, 350811), (183, 297135), (213, 255285), (279, 194895), (305, 178281), (355, 153171), (405, 134261), (465, 116937), (549, 99045), (639, 85095), (837, 64965), (915, 59427), (1065, 51057), (1395, 38979), (1647, 33015), (1891, 28755), (1917, 28365), (2201, 24705), (2511, 21655), (2745, 19809), (3195, 17019), (4185, 12993), (4331, 12555), (4941, 11005), (5673, 9585), (5751, 9455), (6603, 8235)]