72675813

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 113909760

約数和(自身を除く): 41233947

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 497, 553, 617, 1491, 1659, 1851, 4319, 5609, 12957, 16827, 39263, 43807, 48743, 117789, 131421, 146229, 306649, 341201, 919947, 1023603, 3460753, 10382259, 24225271, 72675813]

約数ペア:

[(1, 72675813), (3, 24225271), (7, 10382259), (21, 3460753), (71, 1023603), (79, 919947), (213, 341201), (237, 306649), (497, 146229), (553, 131421), (617, 117789), (1491, 48743), (1659, 43807), (1851, 39263), (4319, 16827), (5609, 12957)]