631993245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 1129815648

約数和(自身を除く): 497822403

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 67, 169, 183, 195, 201, 305, 335, 507, 793, 845, 871, 915, 1005, 2379, 2535, 2613, 3721, 3965, 4087, 4355, 10309, 11163, 11323, 11895, 12261, 13065, 18605, 20435, 30927, 33969, 48373, 51545, 53131, 55815, 56615, 61305, 145119, 154635, 159393, 169845, 241865, 249307, 265655, 628849, 690703, 725595, 747921, 796965, 1246535, 1886547, 2072109, 3144245, 3240991, 3453515, 3739605, 9432735, 9722973, 10360545, 16204955, 42132883, 48614865, 126398649, 210664415, 631993245]

約数ペア:

[(1, 631993245), (3, 210664415), (5, 126398649), (13, 48614865), (15, 42132883), (39, 16204955), (61, 10360545), (65, 9722973), (67, 9432735), (169, 3739605), (183, 3453515), (195, 3240991), (201, 3144245), (305, 2072109), (335, 1886547), (507, 1246535), (793, 796965), (845, 747921), (871, 725595), (915, 690703), (1005, 628849), (2379, 265655), (2535, 249307), (2613, 241865), (3721, 169845), (3965, 159393), (4087, 154635), (4355, 145119), (10309, 61305), (11163, 56615), (11323, 55815), (11895, 53131), (12261, 51545), (13065, 48373), (18605, 33969), (20435, 30927)]