761481

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 40

約数和(自身を含む): 1393920

約数和(自身を除く): 632439

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 79, 81, 119, 153, 189, 237, 357, 459, 553, 567, 711, 1071, 1343, 1377, 1659, 2133, 3213, 4029, 4977, 6399, 9401, 9639, 12087, 14931, 28203, 36261, 44793, 84609, 108783, 253827, 761481]

約数ペア:

[(1, 761481), (3, 253827), (7, 108783), (9, 84609), (17, 44793), (21, 36261), (27, 28203), (51, 14931), (63, 12087), (79, 9639), (81, 9401), (119, 6399), (153, 4977), (189, 4029), (237, 3213), (357, 2133), (459, 1659), (553, 1377), (567, 1343), (711, 1071)]