620612811

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3019}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 1108074240

約数和(自身を除く): 487461429

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 251, 273, 753, 819, 1757, 2259, 3019, 3263, 5271, 9057, 9789, 15813, 21133, 22841, 27171, 29367, 39247, 63399, 68523, 117741, 190197, 205569, 274729, 353223, 757769, 824187, 2273307, 2472561, 5304383, 6819921, 9850997, 15913149, 29552991, 47739447, 68956979, 88658973, 206870937, 620612811]

約数ペア:

[(1, 620612811), (3, 206870937), (7, 88658973), (9, 68956979), (13, 47739447), (21, 29552991), (39, 15913149), (63, 9850997), (91, 6819921), (117, 5304383), (251, 2472561), (273, 2273307), (753, 824187), (819, 757769), (1757, 353223), (2259, 274729), (3019, 205569), (3263, 190197), (5271, 117741), (9057, 68523), (9789, 63399), (15813, 39247), (21133, 29367), (22841, 27171)]