201504405

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 353928960

約数和(自身を除く): 152424555

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 97, 111, 185, 197, 285, 291, 485, 555, 591, 703, 985, 1455, 1843, 2109, 2955, 3515, 3589, 3743, 5529, 7289, 9215, 10545, 10767, 11229, 17945, 18715, 19109, 21867, 27645, 36445, 53835, 56145, 57327, 68191, 95545, 109335, 138491, 204573, 286635, 340955, 363071, 415473, 692455, 707033, 1022865, 1089213, 1815355, 2077365, 2121099, 3535165, 5446065, 10605495, 13433627, 40300881, 67168135, 201504405]

約数ペア:

[(1, 201504405), (3, 67168135), (5, 40300881), (15, 13433627), (19, 10605495), (37, 5446065), (57, 3535165), (95, 2121099), (97, 2077365), (111, 1815355), (185, 1089213), (197, 1022865), (285, 707033), (291, 692455), (485, 415473), (555, 363071), (591, 340955), (703, 286635), (985, 204573), (1455, 138491), (1843, 109335), (2109, 95545), (2955, 68191), (3515, 57327), (3589, 56145), (3743, 53835), (5529, 36445), (7289, 27645), (9215, 21867), (10545, 19109), (10767, 18715), (11229, 17945)]