29885973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 44688000

約数和(自身を除く): 14802027

約数列:

[1, 3, 13, 37, 39, 111, 139, 149, 417, 447, 481, 1443, 1807, 1937, 5143, 5421, 5513, 5811, 15429, 16539, 20711, 62133, 66859, 71669, 200577, 215007, 269243, 766307, 807729, 2298921, 9961991, 29885973]

約数ペア:

[(1, 29885973), (3, 9961991), (13, 2298921), (37, 807729), (39, 766307), (111, 269243), (139, 215007), (149, 200577), (417, 71669), (447, 66859), (481, 62133), (1443, 20711), (1807, 16539), (1937, 15429), (5143, 5811), (5421, 5513)]