397016865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{180053}}^1$

素因数の和:180078

約数の個数: 36

約数和(自身を含む): 800520084

約数和(自身を除く): 403503219

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 180053, 540159, 900265, 1260371, 1620477, 2700795, 3781113, 6301855, 8102385, 8822597, 11343339, 18905565, 26467791, 44112985, 56716695, 79403373, 132338955, 397016865]

約数ペア:

[(1, 397016865), (3, 132338955), (5, 79403373), (7, 56716695), (9, 44112985), (15, 26467791), (21, 18905565), (35, 11343339), (45, 8822597), (49, 8102385), (63, 6301855), (105, 3781113), (147, 2700795), (245, 1620477), (315, 1260371), (441, 900265), (735, 540159), (2205, 180053)]