81948345

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 61821255

約数列:

[1, 3, 5, 15, 29, 31, 59, 87, 93, 103, 145, 155, 177, 295, 309, 435, 465, 515, 885, 899, 1545, 1711, 1829, 2697, 2987, 3193, 4495, 5133, 5487, 6077, 8555, 8961, 9145, 9579, 13485, 14935, 15965, 18231, 25665, 27435, 30385, 44805, 47895, 53041, 91155, 92597, 159123, 176233, 188387, 265205, 277791, 462985, 528699, 565161, 795615, 881165, 941935, 1388955, 2643495, 2825805, 5463223, 16389669, 27316115, 81948345]

約数ペア:

[(1, 81948345), (3, 27316115), (5, 16389669), (15, 5463223), (29, 2825805), (31, 2643495), (59, 1388955), (87, 941935), (93, 881165), (103, 795615), (145, 565161), (155, 528699), (177, 462985), (295, 277791), (309, 265205), (435, 188387), (465, 176233), (515, 159123), (885, 92597), (899, 91155), (1545, 53041), (1711, 47895), (1829, 44805), (2697, 30385), (2987, 27435), (3193, 25665), (4495, 18231), (5133, 15965), (5487, 14935), (6077, 13485), (8555, 9579), (8961, 9145)]