42690417

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1598

約数の個数: 48

約数和(自身を含む): 76531392

約数和(自身を除く): 33840975

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1553, 1617, 2499, 3927, 4659, 9163, 10871, 17083, 26401, 27489, 32613, 51249, 76097, 79203, 119581, 184807, 228291, 290411, 358743, 554421, 837067, 871233, 1293649, 2032877, 2511201, 3880947, 6098631, 14230139, 42690417]

約数ペア:

[(1, 42690417), (3, 14230139), (7, 6098631), (11, 3880947), (17, 2511201), (21, 2032877), (33, 1293649), (49, 871233), (51, 837067), (77, 554421), (119, 358743), (147, 290411), (187, 228291), (231, 184807), (357, 119581), (539, 79203), (561, 76097), (833, 51249), (1309, 32613), (1553, 27489), (1617, 26401), (2499, 17083), (3927, 10871), (4659, 9163)]