11905761

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 19491840

約数和(自身を除く): 7586079

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 563, 1007, 1113, 1689, 3021, 3941, 7049, 10697, 11823, 21147, 29839, 32091, 74879, 89517, 208873, 224637, 566941, 626619, 1700823, 3968587, 11905761]

約数ペア:

[(1, 11905761), (3, 3968587), (7, 1700823), (19, 626619), (21, 566941), (53, 224637), (57, 208873), (133, 89517), (159, 74879), (371, 32091), (399, 29839), (563, 21147), (1007, 11823), (1113, 10697), (1689, 7049), (3021, 3941)]