201638401587

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1\times {\mathrm{1009}}^1$

素因数の和:1581

約数の個数: 96

約数和(自身を含む): 341905200000

約数和(自身を除く): 140266798413

約数列:

[1, 3, 7, 9, 21, 61, 63, 149, 183, 349, 427, 447, 549, 1009, 1043, 1047, 1281, 1341, 2443, 3027, 3129, 3141, 3843, 7063, 7329, 9081, 9089, 9387, 21189, 21289, 21987, 27267, 52001, 61549, 63567, 63623, 63867, 81801, 149023, 150341, 156003, 184647, 190869, 191601, 352141, 364007, 430843, 447069, 451023, 468009, 553941, 572607, 1052387, 1056423, 1092021, 1292529, 1341207, 1353069, 2464987, 3157161, 3169269, 3172061, 3276063, 3877587, 7394961, 9170801, 9471483, 9516183, 21480601, 22184883, 22204427, 27512403, 28548549, 52469009, 64195607, 64441803, 66613281, 82537209, 150364207, 157407027, 192586821, 193325409, 199839843, 367283063, 451092621, 472221081, 577760463, 1101849189, 1353277863, 3200609549, 3305547567, 9601828647, 22404266843, 28805485941, 67212800529, 201638401587]

約数ペア:

[(1, 201638401587), (3, 67212800529), (7, 28805485941), (9, 22404266843), (21, 9601828647), (61, 3305547567), (63, 3200609549), (149, 1353277863), (183, 1101849189), (349, 577760463), (427, 472221081), (447, 451092621), (549, 367283063), (1009, 199839843), (1043, 193325409), (1047, 192586821), (1281, 157407027), (1341, 150364207), (2443, 82537209), (3027, 66613281), (3129, 64441803), (3141, 64195607), (3843, 52469009), (7063, 28548549), (7329, 27512403), (9081, 22204427), (9089, 22184883), (9387, 21480601), (21189, 9516183), (21289, 9471483), (21987, 9170801), (27267, 7394961), (52001, 3877587), (61549, 3276063), (63567, 3172061), (63623, 3169269), (63867, 3157161), (81801, 2464987), (149023, 1353069), (150341, 1341207), (156003, 1292529), (184647, 1092021), (190869, 1056423), (191601, 1052387), (352141, 572607), (364007, 553941), (430843, 468009), (447069, 451023)]