155639085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 298598400

約数和(自身を除く): 142959315

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 79, 87, 105, 145, 203, 237, 395, 435, 553, 609, 647, 1015, 1185, 1659, 1941, 2291, 2765, 3045, 3235, 4529, 6873, 8295, 9705, 11455, 13587, 16037, 18763, 22645, 34365, 48111, 51113, 56289, 67935, 80185, 93815, 131341, 153339, 240555, 255565, 281445, 357791, 394023, 656705, 766695, 1073373, 1482277, 1788955, 1970115, 4446831, 5366865, 7411385, 10375939, 22234155, 31127817, 51879695, 155639085]

約数ペア:

[(1, 155639085), (3, 51879695), (5, 31127817), (7, 22234155), (15, 10375939), (21, 7411385), (29, 5366865), (35, 4446831), (79, 1970115), (87, 1788955), (105, 1482277), (145, 1073373), (203, 766695), (237, 656705), (395, 394023), (435, 357791), (553, 281445), (609, 255565), (647, 240555), (1015, 153339), (1185, 131341), (1659, 93815), (1941, 80185), (2291, 67935), (2765, 56289), (3045, 51113), (3235, 48111), (4529, 34365), (6873, 22645), (8295, 18763), (9705, 16037), (11455, 13587)]