77575225

素因数分解:

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

素因数の和:147

約数の個数: 72

約数和(自身を含む): 123807552

約数和(自身を除く): 46232327

約数列:

[1, 5, 7, 13, 25, 35, 43, 61, 65, 91, 169, 175, 215, 301, 305, 325, 427, 455, 559, 793, 845, 1075, 1183, 1505, 1525, 2135, 2275, 2623, 2795, 3913, 3965, 4225, 5551, 5915, 7267, 7525, 10309, 10675, 13115, 13975, 18361, 19565, 19825, 27755, 29575, 34099, 36335, 50869, 51545, 65575, 72163, 91805, 97825, 138775, 170495, 181675, 238693, 254345, 257725, 360815, 443287, 459025, 852475, 1193465, 1271725, 1804075, 2216435, 3103009, 5967325, 11082175, 15515045, 77575225]

約数ペア:

[(1, 77575225), (5, 15515045), (7, 11082175), (13, 5967325), (25, 3103009), (35, 2216435), (43, 1804075), (61, 1271725), (65, 1193465), (91, 852475), (169, 459025), (175, 443287), (215, 360815), (301, 257725), (305, 254345), (325, 238693), (427, 181675), (455, 170495), (559, 138775), (793, 97825), (845, 91805), (1075, 72163), (1183, 65575), (1505, 51545), (1525, 50869), (2135, 36335), (2275, 34099), (2623, 29575), (2795, 27755), (3913, 19825), (3965, 19565), (4225, 18361), (5551, 13975), (5915, 13115), (7267, 10675), (7525, 10309)]