123172855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 164634624

約数和(自身を除く): 41461769

約数列:

[1, 5, 13, 43, 65, 127, 215, 347, 559, 635, 1651, 1735, 2795, 4511, 5461, 8255, 14921, 22555, 27305, 44069, 70993, 74605, 193973, 220345, 354965, 572897, 969865, 1894967, 2864485, 9474835, 24634571, 123172855]

約数ペア:

[(1, 123172855), (5, 24634571), (13, 9474835), (43, 2864485), (65, 1894967), (127, 969865), (215, 572897), (347, 354965), (559, 220345), (635, 193973), (1651, 74605), (1735, 70993), (2795, 44069), (4511, 27305), (5461, 22555), (8255, 14921)]