31127295

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 51955200

約数和(自身を除く): 20827905

約数列:

[1, 3, 5, 15, 29, 87, 145, 163, 435, 439, 489, 815, 1317, 2195, 2445, 4727, 6585, 12731, 14181, 23635, 38193, 63655, 70905, 71557, 190965, 214671, 357785, 1073355, 2075153, 6225459, 10375765, 31127295]

約数ペア:

[(1, 31127295), (3, 10375765), (5, 6225459), (15, 2075153), (29, 1073355), (87, 357785), (145, 214671), (163, 190965), (435, 71557), (439, 70905), (489, 63655), (815, 38193), (1317, 23635), (2195, 14181), (2445, 12731), (4727, 6585)]