84697921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 114780672

約数和(自身を除く): 30082751

約数列:

[1, 7, 11, 31, 37, 49, 77, 137, 217, 259, 341, 407, 539, 959, 1147, 1507, 1519, 1813, 2387, 2849, 4247, 5069, 6713, 8029, 10549, 12617, 16709, 19943, 29729, 35483, 46717, 55759, 56203, 73843, 88319, 157139, 208103, 248381, 327019, 390313, 618233, 1099973, 1728529, 2289133, 2732191, 7699811, 12099703, 84697921]

約数ペア:

[(1, 84697921), (7, 12099703), (11, 7699811), (31, 2732191), (37, 2289133), (49, 1728529), (77, 1099973), (137, 618233), (217, 390313), (259, 327019), (341, 248381), (407, 208103), (539, 157139), (959, 88319), (1147, 73843), (1507, 56203), (1519, 55759), (1813, 46717), (2387, 35483), (2849, 29729), (4247, 19943), (5069, 16709), (6713, 12617), (8029, 10549)]