211565565

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1493}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 380360448

約数和(自身を除く): 168794883

約数列:

[1, 3, 5, 9, 15, 45, 47, 67, 141, 201, 235, 335, 423, 603, 705, 1005, 1493, 2115, 3015, 3149, 4479, 7465, 9447, 13437, 15745, 22395, 28341, 47235, 67185, 70171, 100031, 141705, 210513, 300093, 350855, 500155, 631539, 900279, 1052565, 1500465, 3157695, 4501395, 4701457, 14104371, 23507285, 42313113, 70521855, 211565565]

約数ペア:

[(1, 211565565), (3, 70521855), (5, 42313113), (9, 23507285), (15, 14104371), (45, 4701457), (47, 4501395), (67, 3157695), (141, 1500465), (201, 1052565), (235, 900279), (335, 631539), (423, 500155), (603, 350855), (705, 300093), (1005, 210513), (1493, 141705), (2115, 100031), (3015, 70171), (3149, 67185), (4479, 47235), (7465, 28341), (9447, 22395), (13437, 15745)]