87989085

素因数分解:

$3^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 159606720

約数和(自身を除く): 71617635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 243, 405, 417, 521, 695, 1215, 1251, 1563, 2085, 2605, 3753, 4689, 6255, 7815, 11259, 14067, 18765, 23445, 33777, 42201, 56295, 70335, 72419, 126603, 168885, 211005, 217257, 362095, 633015, 651771, 1086285, 1955313, 3258855, 5865939, 9776565, 17597817, 29329695, 87989085]

約数ペア:

[(1, 87989085), (3, 29329695), (5, 17597817), (9, 9776565), (15, 5865939), (27, 3258855), (45, 1955313), (81, 1086285), (135, 651771), (139, 633015), (243, 362095), (405, 217257), (417, 211005), (521, 168885), (695, 126603), (1215, 72419), (1251, 70335), (1563, 56295), (2085, 42201), (2605, 33777), (3753, 23445), (4689, 18765), (6255, 14067), (7815, 11259)]