442840419

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 774236160

約数和(自身を除く): 331395741

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 71, 183, 189, 213, 427, 497, 541, 549, 639, 1281, 1491, 1623, 1647, 1917, 3787, 3843, 4331, 4473, 4869, 11361, 11529, 12993, 13419, 14607, 30317, 33001, 34083, 38411, 38979, 90951, 99003, 102249, 115233, 116937, 231007, 268877, 272853, 297009, 345699, 693021, 806631, 818559, 891027, 1037097, 2079063, 2343071, 2419893, 6237189, 7029213, 7259679, 16401497, 21087639, 49204491, 63262917, 147613473, 442840419]

約数ペア:

[(1, 442840419), (3, 147613473), (7, 63262917), (9, 49204491), (21, 21087639), (27, 16401497), (61, 7259679), (63, 7029213), (71, 6237189), (183, 2419893), (189, 2343071), (213, 2079063), (427, 1037097), (497, 891027), (541, 818559), (549, 806631), (639, 693021), (1281, 345699), (1491, 297009), (1623, 272853), (1647, 268877), (1917, 231007), (3787, 116937), (3843, 115233), (4331, 102249), (4473, 99003), (4869, 90951), (11361, 38979), (11529, 38411), (12993, 34083), (13419, 33001), (14607, 30317)]