201516987

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{64403}}^1$

素因数の和:64562

約数の個数: 16

約数和(自身を含む): 309139200

約数和(自身を除く): 107622213

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 64403, 193209, 450821, 1352463, 9596047, 28788141, 67172329, 201516987]

約数ペア:

[(1, 201516987), (3, 67172329), (7, 28788141), (21, 9596047), (149, 1352463), (447, 450821), (1043, 193209), (3129, 64403)]