38819835

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 70424640

約数和(自身を除く): 31604805

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 151, 197, 261, 435, 453, 591, 755, 985, 1305, 1359, 1773, 2265, 2955, 4379, 5713, 6795, 8865, 13137, 17139, 21895, 28565, 29747, 39411, 51417, 65685, 85695, 89241, 148735, 197055, 257085, 267723, 446205, 862663, 1338615, 2587989, 4313315, 7763967, 12939945, 38819835]

約数ペア:

[(1, 38819835), (3, 12939945), (5, 7763967), (9, 4313315), (15, 2587989), (29, 1338615), (45, 862663), (87, 446205), (145, 267723), (151, 257085), (197, 197055), (261, 148735), (435, 89241), (453, 85695), (591, 65685), (755, 51417), (985, 39411), (1305, 29747), (1359, 28565), (1773, 21895), (2265, 17139), (2955, 13137), (4379, 8865), (5713, 6795)]