87671979

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{347}}^1\times {\mathrm{419}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 129205440

約数和(自身を除く): 41533461

約数列:

[1, 3, 9, 67, 201, 347, 419, 603, 1041, 1257, 3123, 3771, 23249, 28073, 69747, 84219, 145393, 209241, 252657, 436179, 1308537, 9741331, 29223993, 87671979]

約数ペア:

[(1, 87671979), (3, 29223993), (9, 9741331), (67, 1308537), (201, 436179), (347, 252657), (419, 209241), (603, 145393), (1041, 84219), (1257, 69747), (3123, 28073), (3771, 23249)]