1320236745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{178531}}^1$

素因数の和:178585

約数の個数: 32

約数和(自身を含む): 2313774720

約数和(自身を除く): 993537975

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 178531, 535593, 892655, 2677965, 3035027, 5177399, 9105081, 15175135, 15532197, 25886995, 45525405, 77660985, 88015783, 264047349, 440078915, 1320236745]

約数ペア:

[(1, 1320236745), (3, 440078915), (5, 264047349), (15, 88015783), (17, 77660985), (29, 45525405), (51, 25886995), (85, 15532197), (87, 15175135), (145, 9105081), (255, 5177399), (435, 3035027), (493, 2677965), (1479, 892655), (2465, 535593), (7395, 178531)]