191491587

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 347120640

約数和(自身を除く): 155629053

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 107, 119, 153, 189, 321, 357, 459, 557, 749, 963, 1071, 1671, 1819, 2247, 2889, 3213, 3899, 5013, 5457, 6741, 9469, 11697, 12733, 15039, 16371, 20223, 28407, 35091, 38199, 49113, 59599, 66283, 85221, 105273, 114597, 178797, 198849, 255663, 343791, 417193, 536391, 596547, 1013183, 1251579, 1609173, 1789641, 3039549, 3754737, 7092281, 9118647, 11264211, 21276843, 27355941, 63830529, 191491587]

約数ペア:

[(1, 191491587), (3, 63830529), (7, 27355941), (9, 21276843), (17, 11264211), (21, 9118647), (27, 7092281), (51, 3754737), (63, 3039549), (107, 1789641), (119, 1609173), (153, 1251579), (189, 1013183), (321, 596547), (357, 536391), (459, 417193), (557, 343791), (749, 255663), (963, 198849), (1071, 178797), (1671, 114597), (1819, 105273), (2247, 85221), (2889, 66283), (3213, 59599), (3899, 49113), (5013, 38199), (5457, 35091), (6741, 28407), (9469, 20223), (11697, 16371), (12733, 15039)]