15515045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 23962752

約数和(自身を除く): 8447707

約数列:

[1, 5, 7, 13, 35, 43, 61, 65, 91, 169, 215, 301, 305, 427, 455, 559, 793, 845, 1183, 1505, 2135, 2623, 2795, 3913, 3965, 5551, 5915, 7267, 10309, 13115, 18361, 19565, 27755, 34099, 36335, 50869, 51545, 72163, 91805, 170495, 238693, 254345, 360815, 443287, 1193465, 2216435, 3103009, 15515045]

約数ペア:

[(1, 15515045), (5, 3103009), (7, 2216435), (13, 1193465), (35, 443287), (43, 360815), (61, 254345), (65, 238693), (91, 170495), (169, 91805), (215, 72163), (301, 51545), (305, 50869), (427, 36335), (455, 34099), (559, 27755), (793, 19565), (845, 18361), (1183, 13115), (1505, 10309), (2135, 7267), (2623, 5915), (2795, 5551), (3913, 3965)]