81045594

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20749}}^1$

素因数の和:20795

約数の個数: 48

約数和(自身を含む): 207168000

約数和(自身を除く): 126122406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 20749, 41498, 62247, 124494, 145243, 186741, 290486, 373482, 435729, 643219, 871458, 1286438, 1307187, 1929657, 2614374, 3859314, 4502533, 5788971, 9005066, 11577942, 13507599, 27015198, 40522797, 81045594]

約数ペア:

[(1, 81045594), (2, 40522797), (3, 27015198), (6, 13507599), (7, 11577942), (9, 9005066), (14, 5788971), (18, 4502533), (21, 3859314), (31, 2614374), (42, 1929657), (62, 1307187), (63, 1286438), (93, 871458), (126, 643219), (186, 435729), (217, 373482), (279, 290486), (434, 186741), (558, 145243), (651, 124494), (1302, 62247), (1953, 41498), (3906, 20749)]