71194215

素因数分解:

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

素因数の和:3251

約数の個数: 32

約数和(自身を含む): 122005440

約数和(自身を除く): 50811225

約数列:

[1, 3, 5, 15, 17, 51, 85, 89, 255, 267, 445, 1335, 1513, 3137, 4539, 7565, 9411, 15685, 22695, 47055, 53329, 159987, 266645, 279193, 799935, 837579, 1395965, 4187895, 4746281, 14238843, 23731405, 71194215]

約数ペア:

[(1, 71194215), (3, 23731405), (5, 14238843), (15, 4746281), (17, 4187895), (51, 1395965), (85, 837579), (89, 799935), (255, 279193), (267, 266645), (445, 159987), (1335, 53329), (1513, 47055), (3137, 22695), (4539, 15685), (7565, 9411)]