207979155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 396264960

約数和(自身を除く): 188285805

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 53, 87, 93, 97, 145, 155, 159, 261, 265, 279, 291, 435, 465, 477, 485, 795, 873, 899, 1305, 1395, 1455, 1537, 1643, 2385, 2697, 2813, 3007, 4365, 4495, 4611, 4929, 5141, 7685, 8091, 8215, 8439, 9021, 13485, 13833, 14065, 14787, 15035, 15423, 23055, 24645, 25317, 25705, 27063, 40455, 42195, 45105, 46269, 47647, 69165, 73935, 77115, 87203, 126585, 135315, 142941, 149089, 159371, 231345, 238235, 261609, 428823, 436015, 447267, 478113, 714705, 745445, 784827, 796855, 1308045, 1341801, 1434339, 2144115, 2236335, 2390565, 3924135, 4621759, 6709005, 7171695, 13865277, 23108795, 41595831, 69326385, 207979155]

約数ペア:

[(1, 207979155), (3, 69326385), (5, 41595831), (9, 23108795), (15, 13865277), (29, 7171695), (31, 6709005), (45, 4621759), (53, 3924135), (87, 2390565), (93, 2236335), (97, 2144115), (145, 1434339), (155, 1341801), (159, 1308045), (261, 796855), (265, 784827), (279, 745445), (291, 714705), (435, 478113), (465, 447267), (477, 436015), (485, 428823), (795, 261609), (873, 238235), (899, 231345), (1305, 159371), (1395, 149089), (1455, 142941), (1537, 135315), (1643, 126585), (2385, 87203), (2697, 77115), (2813, 73935), (3007, 69165), (4365, 47647), (4495, 46269), (4611, 45105), (4929, 42195), (5141, 40455), (7685, 27063), (8091, 25705), (8215, 25317), (8439, 24645), (9021, 23055), (13485, 15423), (13833, 15035), (14065, 14787)]