30984513

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 48454560

約数和(自身を除く): 17470047

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 1609, 2751, 4827, 6419, 11263, 19257, 33789, 78841, 210779, 236523, 632337, 1475453, 4426359, 10328171, 30984513]

約数ペア:

[(1, 30984513), (3, 10328171), (7, 4426359), (21, 1475453), (49, 632337), (131, 236523), (147, 210779), (393, 78841), (917, 33789), (1609, 19257), (2751, 11263), (4827, 6419)]