1661071419

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 2931621888

約数和(自身を除く): 1270550469

約数列:

[1, 3, 7, 9, 21, 31, 61, 63, 73, 93, 183, 191, 217, 219, 279, 427, 511, 549, 573, 651, 657, 1281, 1337, 1533, 1719, 1891, 1953, 2263, 3843, 4011, 4453, 4599, 5673, 5921, 6789, 11651, 12033, 13237, 13359, 13943, 15841, 17019, 17763, 20367, 31171, 34953, 39711, 40077, 41447, 41829, 47523, 53289, 81557, 93513, 97601, 104859, 119133, 124341, 125487, 138043, 142569, 244671, 280539, 292803, 361181, 373023, 414129, 432233, 734013, 850523, 878409, 966301, 1083543, 1242387, 1296699, 2528267, 2551569, 2898903, 3025631, 3250629, 3890097, 5953661, 7584801, 7654707, 8696709, 9076893, 17860983, 22754403, 26366213, 27230679, 53582949, 79098639, 184563491, 237295917, 553690473, 1661071419]

約数ペア:

[(1, 1661071419), (3, 553690473), (7, 237295917), (9, 184563491), (21, 79098639), (31, 53582949), (61, 27230679), (63, 26366213), (73, 22754403), (93, 17860983), (183, 9076893), (191, 8696709), (217, 7654707), (219, 7584801), (279, 5953661), (427, 3890097), (511, 3250629), (549, 3025631), (573, 2898903), (651, 2551569), (657, 2528267), (1281, 1296699), (1337, 1242387), (1533, 1083543), (1719, 966301), (1891, 878409), (1953, 850523), (2263, 734013), (3843, 432233), (4011, 414129), (4453, 373023), (4599, 361181), (5673, 292803), (5921, 280539), (6789, 244671), (11651, 142569), (12033, 138043), (13237, 125487), (13359, 124341), (13943, 119133), (15841, 104859), (17019, 97601), (17763, 93513), (20367, 81557), (31171, 53289), (34953, 47523), (39711, 41829), (40077, 41447)]