28688037

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 16255323

約数列:

[1, 3, 7, 21, 83, 109, 151, 249, 327, 453, 581, 763, 1057, 1743, 2289, 3171, 9047, 12533, 16459, 27141, 37599, 49377, 63329, 87731, 115213, 189987, 263193, 345639, 1366097, 4098291, 9562679, 28688037]

約数ペア:

[(1, 28688037), (3, 9562679), (7, 4098291), (21, 1366097), (83, 345639), (109, 263193), (151, 189987), (249, 115213), (327, 87731), (453, 63329), (581, 49377), (763, 37599), (1057, 27141), (1743, 16459), (2289, 12533), (3171, 9047)]