667719969

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 1093644288

約数和(自身を除く): 425924319

約数列:

[1, 3, 7, 21, 23, 61, 69, 131, 161, 173, 183, 393, 427, 483, 519, 917, 1211, 1281, 1403, 2751, 3013, 3633, 3979, 4209, 7991, 9039, 9821, 10553, 11937, 21091, 22663, 23973, 27853, 29463, 31659, 55937, 63273, 67989, 73871, 83559, 158641, 167811, 183793, 221613, 242719, 475923, 521249, 551379, 728157, 1286551, 1382443, 1563747, 1699033, 3648743, 3859653, 4147329, 5097099, 9677101, 10946229, 29031303, 31796189, 95388567, 222573323, 667719969]

約数ペア:

[(1, 667719969), (3, 222573323), (7, 95388567), (21, 31796189), (23, 29031303), (61, 10946229), (69, 9677101), (131, 5097099), (161, 4147329), (173, 3859653), (183, 3648743), (393, 1699033), (427, 1563747), (483, 1382443), (519, 1286551), (917, 728157), (1211, 551379), (1281, 521249), (1403, 475923), (2751, 242719), (3013, 221613), (3633, 183793), (3979, 167811), (4209, 158641), (7991, 83559), (9039, 73871), (9821, 67989), (10553, 63273), (11937, 55937), (21091, 31659), (22663, 29463), (23973, 27853)]