251013045

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7603}}^1$

素因数の和:7713

約数の個数: 32

約数和(自身を含む): 420470784

約数和(自身を除く): 169457739

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2201, 6603, 7603, 11005, 22809, 33015, 38015, 114045, 235693, 539813, 707079, 1178465, 1619439, 2699065, 3535395, 8097195, 16734203, 50202609, 83671015, 251013045]

約数ペア:

[(1, 251013045), (3, 83671015), (5, 50202609), (15, 16734203), (31, 8097195), (71, 3535395), (93, 2699065), (155, 1619439), (213, 1178465), (355, 707079), (465, 539813), (1065, 235693), (2201, 114045), (6603, 38015), (7603, 33015), (11005, 22809)]