643900323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{4049}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 964224000

約数和(自身を除く): 320323677

約数列:

[1, 3, 11, 33, 61, 79, 183, 237, 671, 869, 2013, 2607, 4049, 4819, 12147, 14457, 44539, 53009, 133617, 159027, 246989, 319871, 740967, 959613, 2716879, 3518581, 8150637, 10555743, 19512131, 58536393, 214633441, 643900323]

約数ペア:

[(1, 643900323), (3, 214633441), (11, 58536393), (33, 19512131), (61, 10555743), (79, 8150637), (183, 3518581), (237, 2716879), (671, 959613), (869, 740967), (2013, 319871), (2607, 246989), (4049, 159027), (4819, 133617), (12147, 53009), (14457, 44539)]