81718956

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{7643}}^1$

素因数の和:7673

約数の個数: 72

約数和(自身を含む): 233722944

約数和(自身を除く): 152003988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 2673, 3564, 5346, 7643, 10692, 15286, 22929, 30572, 45858, 68787, 84073, 91716, 137574, 168146, 206361, 252219, 275148, 336292, 412722, 504438, 619083, 756657, 825444, 1008876, 1238166, 1513314, 1857249, 2269971, 2476332, 3026628, 3714498, 4539942, 6809913, 7428996, 9079884, 13619826, 20429739, 27239652, 40859478, 81718956]

約数ペア:

[(1, 81718956), (2, 40859478), (3, 27239652), (4, 20429739), (6, 13619826), (9, 9079884), (11, 7428996), (12, 6809913), (18, 4539942), (22, 3714498), (27, 3026628), (33, 2476332), (36, 2269971), (44, 1857249), (54, 1513314), (66, 1238166), (81, 1008876), (99, 825444), (108, 756657), (132, 619083), (162, 504438), (198, 412722), (243, 336292), (297, 275148), (324, 252219), (396, 206361), (486, 168146), (594, 137574), (891, 91716), (972, 84073), (1188, 68787), (1782, 45858), (2673, 30572), (3564, 22929), (5346, 15286), (7643, 10692)]