78708987

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 136631040

約数和(自身を除く): 57922053

約数列:

[1, 3, 7, 9, 21, 29, 63, 67, 87, 201, 203, 261, 469, 603, 609, 643, 1407, 1827, 1929, 1943, 4221, 4501, 5787, 5829, 13503, 13601, 17487, 18647, 40509, 40803, 43081, 55941, 122409, 129243, 130529, 167823, 301567, 387729, 391587, 904701, 1174761, 1249349, 2714103, 3748047, 8745443, 11244141, 26236329, 78708987]

約数ペア:

[(1, 78708987), (3, 26236329), (7, 11244141), (9, 8745443), (21, 3748047), (29, 2714103), (63, 1249349), (67, 1174761), (87, 904701), (201, 391587), (203, 387729), (261, 301567), (469, 167823), (603, 130529), (609, 129243), (643, 122409), (1407, 55941), (1827, 43081), (1929, 40803), (1943, 40509), (4221, 18647), (4501, 17487), (5787, 13601), (5829, 13503)]