1387664565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{12671}}^1$

素因数の和:12842

約数の個数: 48

約数和(自身を含む): 2600294400

約数和(自身を除く): 1212629835

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 245, 447, 735, 745, 1043, 2235, 3129, 5215, 7301, 12671, 15645, 21903, 36505, 38013, 63355, 88697, 109515, 190065, 266091, 443485, 620879, 1330455, 1862637, 1887979, 3104395, 5663937, 9313185, 9439895, 13215853, 28319685, 39647559, 66079265, 92510971, 198237795, 277532913, 462554855, 1387664565]

約数ペア:

[(1, 1387664565), (3, 462554855), (5, 277532913), (7, 198237795), (15, 92510971), (21, 66079265), (35, 39647559), (49, 28319685), (105, 13215853), (147, 9439895), (149, 9313185), (245, 5663937), (447, 3104395), (735, 1887979), (745, 1862637), (1043, 1330455), (2235, 620879), (3129, 443485), (5215, 266091), (7301, 190065), (12671, 109515), (15645, 88697), (21903, 63355), (36505, 38013)]