868335255

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{221797}}^1$

素因数の和:221840

約数の個数: 32

約数和(自身を含む): 1596945600

約数和(自身を除く): 728610345

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 221797, 665391, 1108985, 1996173, 3326955, 5988519, 6432113, 9980865, 19296339, 29942595, 32160565, 57889017, 96481695, 173667051, 289445085, 868335255]

約数ペア:

[(1, 868335255), (3, 289445085), (5, 173667051), (9, 96481695), (15, 57889017), (27, 32160565), (29, 29942595), (45, 19296339), (87, 9980865), (135, 6432113), (145, 5988519), (261, 3326955), (435, 1996173), (783, 1108985), (1305, 665391), (3915, 221797)]