201924651

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 288648000

約数和(自身を除く): 86723349

約数列:

[1, 3, 29, 37, 87, 111, 149, 421, 447, 1073, 1263, 3219, 4321, 5513, 12209, 12963, 15577, 16539, 36627, 46731, 62729, 159877, 188187, 451733, 479631, 1355199, 1819141, 2320973, 5457423, 6962919, 67308217, 201924651]

約数ペア:

[(1, 201924651), (3, 67308217), (29, 6962919), (37, 5457423), (87, 2320973), (111, 1819141), (149, 1355199), (421, 479631), (447, 451733), (1073, 188187), (1263, 159877), (3219, 62729), (4321, 46731), (5513, 36627), (12209, 16539), (12963, 15577)]