17221197

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 26893056

約数和(自身を除く): 9671859

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 607, 1351, 1821, 4053, 4249, 9457, 12747, 28371, 29743, 89229, 117151, 351453, 820057, 2460171, 5740399, 17221197]

約数ペア:

[(1, 17221197), (3, 5740399), (7, 2460171), (21, 820057), (49, 351453), (147, 117151), (193, 89229), (579, 29743), (607, 28371), (1351, 12747), (1821, 9457), (4053, 4249)]