31237941

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 51020928

約数和(自身を除く): 19782987

約数列:

[1, 3, 7, 21, 41, 49, 71, 73, 123, 147, 213, 219, 287, 497, 511, 861, 1491, 1533, 2009, 2911, 2993, 3479, 3577, 5183, 6027, 8733, 8979, 10437, 10731, 15549, 20377, 20951, 36281, 61131, 62853, 108843, 142639, 146657, 212503, 253967, 427917, 439971, 637509, 761901, 1487521, 4462563, 10412647, 31237941]

約数ペア:

[(1, 31237941), (3, 10412647), (7, 4462563), (21, 1487521), (41, 761901), (49, 637509), (71, 439971), (73, 427917), (123, 253967), (147, 212503), (213, 146657), (219, 142639), (287, 108843), (497, 62853), (511, 61131), (861, 36281), (1491, 20951), (1533, 20377), (2009, 15549), (2911, 10731), (2993, 10437), (3479, 8979), (3577, 8733), (5183, 6027)]