15987185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 21212928

約数和(自身を除く): 5225743

約数列:

[1, 5, 23, 43, 53, 61, 115, 215, 265, 305, 989, 1219, 1403, 2279, 2623, 3233, 4945, 6095, 7015, 11395, 13115, 16165, 52417, 60329, 74359, 139019, 262085, 301645, 371795, 695095, 3197437, 15987185]

約数ペア:

[(1, 15987185), (5, 3197437), (23, 695095), (43, 371795), (53, 301645), (61, 262085), (115, 139019), (215, 74359), (265, 60329), (305, 52417), (989, 16165), (1219, 13115), (1403, 11395), (2279, 7015), (2623, 6095), (3233, 4945)]