520138017

素因数分解:

$3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5843}}^1$

素因数の和:6019

約数の個数: 40

約数和(自身を含む): 893804736

約数和(自身を除く): 373666719

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 157, 189, 471, 567, 1099, 1413, 3297, 4239, 5843, 9891, 12717, 17529, 29673, 40901, 52587, 89019, 122703, 157761, 368109, 473283, 917351, 1104327, 2752053, 3312981, 6421457, 8256159, 19264371, 24768477, 57793113, 74305431, 173379339, 520138017]

約数ペア:

[(1, 520138017), (3, 173379339), (7, 74305431), (9, 57793113), (21, 24768477), (27, 19264371), (63, 8256159), (81, 6421457), (157, 3312981), (189, 2752053), (471, 1104327), (567, 917351), (1099, 473283), (1413, 368109), (3297, 157761), (4239, 122703), (5843, 89019), (9891, 52587), (12717, 40901), (17529, 29673)]