81304725

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 140116032

約数和(自身を除く): 58811307

約数列:

[1, 3, 5, 15, 25, 37, 75, 83, 111, 185, 249, 353, 415, 555, 925, 1059, 1245, 1765, 2075, 2775, 3071, 5295, 6225, 8825, 9213, 13061, 15355, 26475, 29299, 39183, 46065, 65305, 76775, 87897, 146495, 195915, 230325, 326525, 439485, 732475, 979575, 1084063, 2197425, 3252189, 5420315, 16260945, 27101575, 81304725]

約数ペア:

[(1, 81304725), (3, 27101575), (5, 16260945), (15, 5420315), (25, 3252189), (37, 2197425), (75, 1084063), (83, 979575), (111, 732475), (185, 439485), (249, 326525), (353, 230325), (415, 195915), (555, 146495), (925, 87897), (1059, 76775), (1245, 65305), (1765, 46065), (2075, 39183), (2775, 29299), (3071, 26475), (5295, 15355), (6225, 13061), (8825, 9213)]