142216905

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3257}}^1$

素因数の和:3377

約数の個数: 32

約数和(自身を含む): 236452608

約数和(自身を除く): 94235703

約数列:

[1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 3257, 8733, 9771, 14555, 16285, 43665, 48855, 133537, 231247, 400611, 667685, 693741, 1156235, 2003055, 3468705, 9481127, 28443381, 47405635, 142216905]

約数ペア:

[(1, 142216905), (3, 47405635), (5, 28443381), (15, 9481127), (41, 3468705), (71, 2003055), (123, 1156235), (205, 693741), (213, 667685), (355, 400611), (615, 231247), (1065, 133537), (2911, 48855), (3257, 43665), (8733, 16285), (9771, 14555)]