15938169

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 24420480

約数和(自身を除く): 8482311

約数列:

[1, 3, 13, 19, 39, 57, 137, 157, 247, 411, 471, 741, 1781, 2041, 2603, 2983, 5343, 6123, 7809, 8949, 21509, 33839, 38779, 64527, 101517, 116337, 279617, 408671, 838851, 1226013, 5312723, 15938169]

約数ペア:

[(1, 15938169), (3, 5312723), (13, 1226013), (19, 838851), (39, 408671), (57, 279617), (137, 116337), (157, 101517), (247, 64527), (411, 38779), (471, 33839), (741, 21509), (1781, 8949), (2041, 7809), (2603, 6123), (2983, 5343)]