31683225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2081}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 61960320

約数和(自身を除く): 30277095

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 2081, 2175, 3045, 5075, 6243, 10405, 14567, 15225, 31215, 43701, 52025, 60349, 72835, 156075, 181047, 218505, 301745, 364175, 422443, 905235, 1092525, 1267329, 1508725, 2112215, 4526175, 6336645, 10561075, 31683225]

約数ペア:

[(1, 31683225), (3, 10561075), (5, 6336645), (7, 4526175), (15, 2112215), (21, 1508725), (25, 1267329), (29, 1092525), (35, 905235), (75, 422443), (87, 364175), (105, 301745), (145, 218505), (175, 181047), (203, 156075), (435, 72835), (525, 60349), (609, 52025), (725, 43701), (1015, 31215), (2081, 15225), (2175, 14567), (3045, 10405), (5075, 6243)]