1221353199

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{2137}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 2017177344

約数和(自身を除く): 795824145

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 207, 251, 253, 753, 759, 2137, 2259, 2277, 2761, 5773, 6411, 8283, 17319, 19233, 23507, 24849, 49151, 51957, 63503, 70521, 147453, 190509, 211563, 442359, 536387, 540661, 571527, 1609161, 1621983, 4827483, 4865949, 5900257, 12336901, 17700771, 37010703, 53102313, 111032109, 135705911, 407117733, 1221353199]

約数ペア:

[(1, 1221353199), (3, 407117733), (9, 135705911), (11, 111032109), (23, 53102313), (33, 37010703), (69, 17700771), (99, 12336901), (207, 5900257), (251, 4865949), (253, 4827483), (753, 1621983), (759, 1609161), (2137, 571527), (2259, 540661), (2277, 536387), (2761, 442359), (5773, 211563), (6411, 190509), (8283, 147453), (17319, 70521), (19233, 63503), (23507, 51957), (24849, 49151)]