215916939

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149011}}^1$

素因数の和:149047

約数の個数: 24

約数和(自身を含む): 371933952

約数和(自身を除く): 156017013

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 149011, 447033, 1043077, 1341099, 3129231, 3427253, 9387693, 10281759, 23990771, 30845277, 71972313, 215916939]

約数ペア:

[(1, 215916939), (3, 71972313), (7, 30845277), (9, 23990771), (21, 10281759), (23, 9387693), (63, 3427253), (69, 3129231), (161, 1341099), (207, 1043077), (483, 447033), (1449, 149011)]