17502471

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 30910464

約数和(自身を除く): 13407993

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 257, 329, 423, 483, 771, 987, 1081, 1449, 1799, 2313, 2961, 3243, 5397, 5911, 7567, 9729, 12079, 16191, 17733, 22701, 36237, 41377, 53199, 68103, 84553, 108711, 124131, 253659, 277817, 372393, 760977, 833451, 1944719, 2500353, 5834157, 17502471]

約数ペア:

[(1, 17502471), (3, 5834157), (7, 2500353), (9, 1944719), (21, 833451), (23, 760977), (47, 372393), (63, 277817), (69, 253659), (141, 124131), (161, 108711), (207, 84553), (257, 68103), (329, 53199), (423, 41377), (483, 36237), (771, 22701), (987, 17733), (1081, 16191), (1449, 12079), (1799, 9729), (2313, 7567), (2961, 5911), (3243, 5397)]