156978003

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1873}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 258582016

約数和(自身を除く): 101604013

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 1873, 2149, 3991, 5619, 6447, 11973, 13111, 24349, 27937, 39333, 73047, 83811, 170443, 511329, 575011, 1725033, 4025077, 7475143, 12075231, 22425429, 52326001, 156978003]

約数ペア:

[(1, 156978003), (3, 52326001), (7, 22425429), (13, 12075231), (21, 7475143), (39, 4025077), (91, 1725033), (273, 575011), (307, 511329), (921, 170443), (1873, 83811), (2149, 73047), (3991, 39333), (5619, 27937), (6447, 24349), (11973, 13111)]