13555191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 20401920

約数和(自身を除く): 6846729

約数列:

[1, 3, 13, 39, 43, 59, 129, 137, 177, 411, 559, 767, 1677, 1781, 2301, 2537, 5343, 5891, 7611, 8083, 17673, 24249, 32981, 76583, 98943, 105079, 229749, 315237, 347569, 1042707, 4518397, 13555191]

約数ペア:

[(1, 13555191), (3, 4518397), (13, 1042707), (39, 347569), (43, 315237), (59, 229749), (129, 105079), (137, 98943), (177, 76583), (411, 32981), (559, 24249), (767, 17673), (1677, 8083), (1781, 7611), (2301, 5891), (2537, 5343)]