2451855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 4723200

約数和(自身を除く): 2271345

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1229, 1995, 3687, 6145, 8603, 18435, 23351, 25809, 43015, 70053, 116755, 129045, 163457, 350265, 490371, 817285, 2451855]

約数ペア:

[(1, 2451855), (3, 817285), (5, 490371), (7, 350265), (15, 163457), (19, 129045), (21, 116755), (35, 70053), (57, 43015), (95, 25809), (105, 23351), (133, 18435), (285, 8603), (399, 6145), (665, 3687), (1229, 1995)]