30749787

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 49292496

約数和(自身を除く): 18542709

約数列:

[1, 3, 9, 17, 27, 51, 81, 137, 153, 163, 411, 459, 489, 1233, 1377, 1467, 2329, 2771, 3699, 4401, 6987, 8313, 11097, 13203, 20961, 22331, 24939, 62883, 66993, 74817, 188649, 200979, 224451, 379627, 602937, 1138881, 1808811, 3416643, 10249929, 30749787]

約数ペア:

[(1, 30749787), (3, 10249929), (9, 3416643), (17, 1808811), (27, 1138881), (51, 602937), (81, 379627), (137, 224451), (153, 200979), (163, 188649), (411, 74817), (459, 66993), (489, 62883), (1233, 24939), (1377, 22331), (1467, 20961), (2329, 13203), (2771, 11097), (3699, 8313), (4401, 6987)]