81921675

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 149276160

約数和(自身を除く): 67354485

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 109, 165, 275, 327, 545, 825, 911, 1199, 1635, 2725, 2733, 3597, 4555, 5995, 8175, 10021, 13665, 17985, 22775, 29975, 30063, 50105, 68325, 89925, 99299, 150315, 250525, 297897, 496495, 751575, 1092289, 1489485, 2482475, 3276867, 5461445, 7447425, 16384335, 27307225, 81921675]

約数ペア:

[(1, 81921675), (3, 27307225), (5, 16384335), (11, 7447425), (15, 5461445), (25, 3276867), (33, 2482475), (55, 1489485), (75, 1092289), (109, 751575), (165, 496495), (275, 297897), (327, 250525), (545, 150315), (825, 99299), (911, 89925), (1199, 68325), (1635, 50105), (2725, 30063), (2733, 29975), (3597, 22775), (4555, 17985), (5995, 13665), (8175, 10021)]