68043915

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 127180800

約数和(自身を除く): 59136885

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 71, 93, 135, 155, 213, 229, 279, 355, 465, 639, 687, 837, 1065, 1145, 1395, 1917, 2061, 2201, 3195, 3435, 4185, 6183, 6603, 7099, 9585, 10305, 11005, 16259, 19809, 21297, 30915, 33015, 35495, 48777, 59427, 63891, 81295, 99045, 106485, 146331, 191673, 243885, 297135, 319455, 438993, 504029, 731655, 958365, 1512087, 2194965, 2520145, 4536261, 7560435, 13608783, 22681305, 68043915]

約数ペア:

[(1, 68043915), (3, 22681305), (5, 13608783), (9, 7560435), (15, 4536261), (27, 2520145), (31, 2194965), (45, 1512087), (71, 958365), (93, 731655), (135, 504029), (155, 438993), (213, 319455), (229, 297135), (279, 243885), (355, 191673), (465, 146331), (639, 106485), (687, 99045), (837, 81295), (1065, 63891), (1145, 59427), (1395, 48777), (1917, 35495), (2061, 33015), (2201, 30915), (3195, 21297), (3435, 19809), (4185, 16259), (6183, 11005), (6603, 10305), (7099, 9585)]