133399475

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 192428160

約数和(自身を除く): 59028685

約数列:

[1, 5, 11, 19, 25, 55, 95, 121, 209, 211, 275, 475, 605, 1045, 1055, 1331, 2299, 2321, 3025, 4009, 5225, 5275, 6655, 11495, 11605, 20045, 25289, 25531, 33275, 44099, 57475, 58025, 100225, 126445, 127655, 220495, 280841, 485089, 632225, 638275, 1102475, 1404205, 2425445, 5335979, 7021025, 12127225, 26679895, 133399475]

約数ペア:

[(1, 133399475), (5, 26679895), (11, 12127225), (19, 7021025), (25, 5335979), (55, 2425445), (95, 1404205), (121, 1102475), (209, 638275), (211, 632225), (275, 485089), (475, 280841), (605, 220495), (1045, 127655), (1055, 126445), (1331, 100225), (2299, 58025), (2321, 57475), (3025, 44099), (4009, 33275), (5225, 25531), (5275, 25289), (6655, 20045), (11495, 11605)]