4372221

素因数分解:

$3^1\times 7^4\times {\mathrm{607}}^1$

素因数の和:638

約数の個数: 20

約数和(自身を含む): 6812032

約数和(自身を除く): 2439811

約数列:

[1, 3, 7, 21, 49, 147, 343, 607, 1029, 1821, 2401, 4249, 7203, 12747, 29743, 89229, 208201, 624603, 1457407, 4372221]

約数ペア:

[(1, 4372221), (3, 1457407), (7, 624603), (21, 208201), (49, 89229), (147, 29743), (343, 12747), (607, 7203), (1029, 4249), (1821, 2401)]