81233928

素因数分解:

$2^3\times 3^7\times {\mathrm{4643}}^1$

素因数の和:4670

約数の個数: 64

約数和(自身を含む): 228484800

約数和(自身を除く): 147250872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 4643, 5832, 8748, 9286, 13929, 17496, 18572, 27858, 37144, 41787, 55716, 83574, 111432, 125361, 167148, 250722, 334296, 376083, 501444, 752166, 1002888, 1128249, 1504332, 2256498, 3008664, 3384747, 4512996, 6769494, 9025992, 10154241, 13538988, 20308482, 27077976, 40616964, 81233928]

約数ペア:

[(1, 81233928), (2, 40616964), (3, 27077976), (4, 20308482), (6, 13538988), (8, 10154241), (9, 9025992), (12, 6769494), (18, 4512996), (24, 3384747), (27, 3008664), (36, 2256498), (54, 1504332), (72, 1128249), (81, 1002888), (108, 752166), (162, 501444), (216, 376083), (243, 334296), (324, 250722), (486, 167148), (648, 125361), (729, 111432), (972, 83574), (1458, 55716), (1944, 41787), (2187, 37144), (2916, 27858), (4374, 18572), (4643, 17496), (5832, 13929), (8748, 9286)]