642879939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{8581}}^1$

素因数の和:8727

約数の個数: 32

約数和(自身を含む): 986174784

約数和(自身を除く): 343294845

約数列:

[1, 3, 13, 17, 39, 51, 113, 221, 339, 663, 1469, 1921, 4407, 5763, 8581, 24973, 25743, 74919, 111553, 145877, 334659, 437631, 969653, 1896401, 2908959, 5689203, 12605489, 16484101, 37816467, 49452303, 214293313, 642879939]

約数ペア:

[(1, 642879939), (3, 214293313), (13, 49452303), (17, 37816467), (39, 16484101), (51, 12605489), (113, 5689203), (221, 2908959), (339, 1896401), (663, 969653), (1469, 437631), (1921, 334659), (4407, 145877), (5763, 111553), (8581, 74919), (24973, 25743)]