213567315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1076

約数の個数: 64

約数和(自身を含む): 394329600

約数和(自身を除く): 180762285

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 59, 65, 95, 177, 195, 247, 285, 295, 741, 767, 885, 977, 1121, 1235, 2301, 2931, 3363, 3705, 3835, 4885, 5605, 11505, 12701, 14573, 14655, 16815, 18563, 38103, 43719, 55689, 57643, 63505, 72865, 92815, 172929, 190515, 218595, 241319, 278445, 288215, 723957, 749359, 864645, 1095217, 1206595, 2248077, 3285651, 3619785, 3746795, 5476085, 11240385, 14237821, 16428255, 42713463, 71189105, 213567315]

約数ペア:

[(1, 213567315), (3, 71189105), (5, 42713463), (13, 16428255), (15, 14237821), (19, 11240385), (39, 5476085), (57, 3746795), (59, 3619785), (65, 3285651), (95, 2248077), (177, 1206595), (195, 1095217), (247, 864645), (285, 749359), (295, 723957), (741, 288215), (767, 278445), (885, 241319), (977, 218595), (1121, 190515), (1235, 172929), (2301, 92815), (2931, 72865), (3363, 63505), (3705, 57643), (3835, 55689), (4885, 43719), (5605, 38103), (11505, 18563), (12701, 16815), (14573, 14655)]