213582645

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3137}}^1$

素因数の和:3254

約数の個数: 48

約数和(自身を含む): 396517680

約数和(自身を除く): 182935035

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 89, 153, 255, 267, 445, 765, 801, 1335, 1513, 3137, 4005, 4539, 7565, 9411, 13617, 15685, 22695, 28233, 47055, 53329, 68085, 141165, 159987, 266645, 279193, 479961, 799935, 837579, 1395965, 2399805, 2512737, 4187895, 4746281, 12563685, 14238843, 23731405, 42716529, 71194215, 213582645]

約数ペア:

[(1, 213582645), (3, 71194215), (5, 42716529), (9, 23731405), (15, 14238843), (17, 12563685), (45, 4746281), (51, 4187895), (85, 2512737), (89, 2399805), (153, 1395965), (255, 837579), (267, 799935), (445, 479961), (765, 279193), (801, 266645), (1335, 159987), (1513, 141165), (3137, 68085), (4005, 53329), (4539, 47055), (7565, 28233), (9411, 22695), (13617, 15685)]