15704620449

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{140071}}^1$

素因数の和:140381

約数の個数: 32

約数和(自身を含む): 25280194560

約数和(自身を除く): 9575574111

約数列:

[1, 3, 7, 19, 21, 57, 133, 281, 399, 843, 1967, 5339, 5901, 16017, 37373, 112119, 140071, 420213, 980497, 2661349, 2941491, 7984047, 18629443, 39359951, 55888329, 118079853, 275519657, 747839069, 826558971, 2243517207, 5234873483, 15704620449]

約数ペア:

[(1, 15704620449), (3, 5234873483), (7, 2243517207), (19, 826558971), (21, 747839069), (57, 275519657), (133, 118079853), (281, 55888329), (399, 39359951), (843, 18629443), (1967, 7984047), (5339, 2941491), (5901, 2661349), (16017, 980497), (37373, 420213), (112119, 140071)]