238220157

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{4007}}^1$

素因数の和:4185

約数の個数: 32

約数和(自身を含む): 384768000

約数和(自身を除く): 146547843

約数列:

[1, 3, 7, 19, 21, 57, 133, 149, 399, 447, 1043, 2831, 3129, 4007, 8493, 12021, 19817, 28049, 59451, 76133, 84147, 228399, 532931, 597043, 1598793, 1791129, 4179301, 11343817, 12537903, 34031451, 79406719, 238220157]

約数ペア:

[(1, 238220157), (3, 79406719), (7, 34031451), (19, 12537903), (21, 11343817), (57, 4179301), (133, 1791129), (149, 1598793), (399, 597043), (447, 532931), (1043, 228399), (2831, 84147), (3129, 76133), (4007, 59451), (8493, 28049), (12021, 19817)]