2021844909

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1481}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 3235692096

約数和(自身を除く): 1213847187

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 251, 259, 753, 777, 1481, 1757, 1813, 4443, 5271, 5439, 9287, 10367, 12299, 27861, 31101, 36897, 54797, 65009, 72569, 164391, 195027, 217707, 371731, 383579, 455063, 1115193, 1150737, 1365189, 2602117, 2685053, 7806351, 8055159, 13754047, 18214819, 41262141, 54644457, 96278329, 288834987, 673948303, 2021844909]

約数ペア:

[(1, 2021844909), (3, 673948303), (7, 288834987), (21, 96278329), (37, 54644457), (49, 41262141), (111, 18214819), (147, 13754047), (251, 8055159), (259, 7806351), (753, 2685053), (777, 2602117), (1481, 1365189), (1757, 1150737), (1813, 1115193), (4443, 455063), (5271, 383579), (5439, 371731), (9287, 217707), (10367, 195027), (12299, 164391), (27861, 72569), (31101, 65009), (36897, 54797)]