221401635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 443304960

約数和(自身を除く): 221903325

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 273, 305, 427, 455, 793, 915, 1281, 1365, 2135, 2379, 2659, 3965, 5551, 6405, 7977, 11895, 13295, 16653, 18613, 27755, 34567, 39885, 55839, 83265, 93065, 103701, 162199, 172835, 241969, 279195, 486597, 518505, 725907, 810995, 1135393, 1209845, 2108587, 2432985, 3406179, 3629535, 5676965, 6325761, 10542935, 14760109, 17030895, 31628805, 44280327, 73800545, 221401635]

約数ペア:

[(1, 221401635), (3, 73800545), (5, 44280327), (7, 31628805), (13, 17030895), (15, 14760109), (21, 10542935), (35, 6325761), (39, 5676965), (61, 3629535), (65, 3406179), (91, 2432985), (105, 2108587), (183, 1209845), (195, 1135393), (273, 810995), (305, 725907), (427, 518505), (455, 486597), (793, 279195), (915, 241969), (1281, 172835), (1365, 162199), (2135, 103701), (2379, 93065), (2659, 83265), (3965, 55839), (5551, 39885), (6405, 34567), (7977, 27755), (11895, 18613), (13295, 16653)]