128977353

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 206309376

約数和(自身を除く): 77332023

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 207, 243, 423, 491, 621, 1081, 1269, 1473, 1863, 3243, 3807, 4419, 5589, 9729, 11293, 11421, 13257, 23077, 29187, 33879, 39771, 69231, 87561, 101637, 119313, 207693, 262683, 304911, 530771, 623079, 914733, 1592313, 1869237, 2744199, 4776939, 5607711, 14330817, 42992451, 128977353]

約数ペア:

[(1, 128977353), (3, 42992451), (9, 14330817), (23, 5607711), (27, 4776939), (47, 2744199), (69, 1869237), (81, 1592313), (141, 914733), (207, 623079), (243, 530771), (423, 304911), (491, 262683), (621, 207693), (1081, 119313), (1269, 101637), (1473, 87561), (1863, 69231), (3243, 39771), (3807, 33879), (4419, 29187), (5589, 23077), (9729, 13257), (11293, 11421)]