80198715

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{641}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 135590400

約数和(自身を除く): 55391685

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 439, 641, 1317, 1923, 2195, 3205, 6585, 8341, 9615, 12179, 25023, 36537, 41705, 60895, 125115, 182685, 281399, 844197, 1406995, 4220985, 5346581, 16039743, 26732905, 80198715]

約数ペア:

[(1, 80198715), (3, 26732905), (5, 16039743), (15, 5346581), (19, 4220985), (57, 1406995), (95, 844197), (285, 281399), (439, 182685), (641, 125115), (1317, 60895), (1923, 41705), (2195, 36537), (3205, 25023), (6585, 12179), (8341, 9615)]