16605440271

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{16921}}^1$

素因数の和:17392

約数の個数: 48

約数和(自身を含む): 28221563968

約数和(自身を除く): 11616123697

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 421, 777, 1263, 2331, 2947, 3789, 8841, 15577, 16921, 26523, 46731, 50763, 109039, 118447, 140193, 152289, 327117, 355341, 626077, 981351, 1066023, 1878231, 4382539, 5634693, 7123741, 13147617, 21371223, 39442851, 49866187, 64113669, 149598561, 263578417, 448795683, 790735251, 1845048919, 2372205753, 5535146757, 16605440271]

約数ペア:

[(1, 16605440271), (3, 5535146757), (7, 2372205753), (9, 1845048919), (21, 790735251), (37, 448795683), (63, 263578417), (111, 149598561), (259, 64113669), (333, 49866187), (421, 39442851), (777, 21371223), (1263, 13147617), (2331, 7123741), (2947, 5634693), (3789, 4382539), (8841, 1878231), (15577, 1066023), (16921, 981351), (26523, 626077), (46731, 355341), (50763, 327117), (109039, 152289), (118447, 140193)]