5381385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 9072000

約数和(自身を除く): 3690615

約数列:

[1, 3, 5, 15, 29, 87, 89, 139, 145, 267, 417, 435, 445, 695, 1335, 2085, 2581, 4031, 7743, 12093, 12371, 12905, 20155, 37113, 38715, 60465, 61855, 185565, 358759, 1076277, 1793795, 5381385]

約数ペア:

[(1, 5381385), (3, 1793795), (5, 1076277), (15, 358759), (29, 185565), (87, 61855), (89, 60465), (139, 38715), (145, 37113), (267, 20155), (417, 12905), (435, 12371), (445, 12093), (695, 7743), (1335, 4031), (2085, 2581)]