78791985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 142506000

約数和(自身を除く): 63714015

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 173, 261, 349, 435, 519, 865, 1047, 1305, 1557, 1745, 2595, 3141, 5017, 5235, 7785, 10121, 15051, 15705, 25085, 30363, 45153, 50605, 60377, 75255, 91089, 151815, 181131, 225765, 301885, 455445, 543393, 905655, 1750933, 2716965, 5252799, 8754665, 15758397, 26263995, 78791985]

約数ペア:

[(1, 78791985), (3, 26263995), (5, 15758397), (9, 8754665), (15, 5252799), (29, 2716965), (45, 1750933), (87, 905655), (145, 543393), (173, 455445), (261, 301885), (349, 225765), (435, 181131), (519, 151815), (865, 91089), (1047, 75255), (1305, 60377), (1557, 50605), (1745, 45153), (2595, 30363), (3141, 25085), (5017, 15705), (5235, 15051), (7785, 10121)]