202220487

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 346644480

約数和(自身を除く): 144423993

約数列:

[1, 3, 7, 9, 21, 41, 63, 79, 123, 237, 287, 369, 553, 711, 861, 991, 1659, 2583, 2973, 3239, 4977, 6937, 8919, 9717, 20811, 22673, 29151, 40631, 62433, 68019, 78289, 121893, 204057, 234867, 284417, 365679, 548023, 704601, 853251, 1644069, 2559753, 3209849, 4932207, 9629547, 22468943, 28888641, 67406829, 202220487]

約数ペア:

[(1, 202220487), (3, 67406829), (7, 28888641), (9, 22468943), (21, 9629547), (41, 4932207), (63, 3209849), (79, 2559753), (123, 1644069), (237, 853251), (287, 704601), (369, 548023), (553, 365679), (711, 284417), (861, 234867), (991, 204057), (1659, 121893), (2583, 78289), (2973, 68019), (3239, 62433), (4977, 40631), (6937, 29151), (8919, 22673), (9717, 20811)]