156975777

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 274560000

約数和(自身を除く): 117584223

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 199, 399, 597, 659, 1197, 1393, 1791, 1977, 3781, 4179, 4613, 5931, 11343, 12521, 12537, 13839, 26467, 34029, 37563, 41517, 79401, 87647, 112689, 131141, 238203, 262941, 393423, 788823, 917987, 1180269, 2491679, 2753961, 7475037, 8261883, 17441753, 22425111, 52325259, 156975777]

約数ペア:

[(1, 156975777), (3, 52325259), (7, 22425111), (9, 17441753), (19, 8261883), (21, 7475037), (57, 2753961), (63, 2491679), (133, 1180269), (171, 917987), (199, 788823), (399, 393423), (597, 262941), (659, 238203), (1197, 131141), (1393, 112689), (1791, 87647), (1977, 79401), (3781, 41517), (4179, 37563), (4613, 34029), (5931, 26467), (11343, 13839), (12521, 12537)]