1520574389817

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{3900679}}^1$

素因数の和:3901685

約数の個数: 32

約数和(自身を含む): 2441513625600

約数和(自身を除く): 920939235783

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 977, 2931, 6839, 18563, 20517, 55689, 129941, 389823, 3900679, 11702037, 27304753, 74112901, 81914259, 222338703, 518790307, 1556370921, 3810963383, 11432890149, 26676743681, 72408304277, 80030231043, 217224912831, 506858129939, 1520574389817]

約数ペア:

[(1, 1520574389817), (3, 506858129939), (7, 217224912831), (19, 80030231043), (21, 72408304277), (57, 26676743681), (133, 11432890149), (399, 3810963383), (977, 1556370921), (2931, 518790307), (6839, 222338703), (18563, 81914259), (20517, 74112901), (55689, 27304753), (129941, 11702037), (389823, 3900679)]