42121947

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2427

約数の個数: 32

約数和(自身を含む): 68815872

約数和(自身を除く): 26693925

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 2357, 2553, 5957, 7071, 16499, 17871, 49497, 54211, 87209, 162633, 261627, 379477, 610463, 1138431, 1831389, 2005807, 6017421, 14040649, 42121947]

約数ペア:

[(1, 42121947), (3, 14040649), (7, 6017421), (21, 2005807), (23, 1831389), (37, 1138431), (69, 610463), (111, 379477), (161, 261627), (259, 162633), (483, 87209), (777, 54211), (851, 49497), (2357, 17871), (2553, 16499), (5957, 7071)]