201890409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9547}}^1$

素因数の和:9629

約数の個数: 32

約数和(自身を含む): 329978880

約数和(自身を除く): 128088471

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 7049, 9547, 21147, 28641, 66829, 181393, 200487, 505991, 544179, 1269751, 1517973, 3541937, 3809253, 9613829, 10625811, 28841487, 67296803, 201890409]

約数ペア:

[(1, 201890409), (3, 67296803), (7, 28841487), (19, 10625811), (21, 9613829), (53, 3809253), (57, 3541937), (133, 1517973), (159, 1269751), (371, 544179), (399, 505991), (1007, 200487), (1113, 181393), (3021, 66829), (7049, 28641), (9547, 21147)]