28011795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{739}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 54132480

約数和(自身を除く): 26120685

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 361, 399, 665, 739, 1083, 1805, 1995, 2217, 2527, 3695, 5173, 5415, 7581, 11085, 12635, 14041, 15519, 25865, 37905, 42123, 70205, 77595, 98287, 210615, 266779, 294861, 491435, 800337, 1333895, 1474305, 1867453, 4001685, 5602359, 9337265, 28011795]

約数ペア:

[(1, 28011795), (3, 9337265), (5, 5602359), (7, 4001685), (15, 1867453), (19, 1474305), (21, 1333895), (35, 800337), (57, 491435), (95, 294861), (105, 266779), (133, 210615), (285, 98287), (361, 77595), (399, 70205), (665, 42123), (739, 37905), (1083, 25865), (1805, 15519), (1995, 14041), (2217, 12635), (2527, 11085), (3695, 7581), (5173, 5415)]