71560251

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 125399040

約数和(自身を除く): 53838789

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 191, 313, 399, 573, 939, 1197, 1337, 1719, 2191, 2817, 3629, 4011, 5947, 6573, 10887, 12033, 17841, 19719, 25403, 32661, 41629, 53523, 59783, 76209, 124887, 179349, 228627, 374661, 418481, 538047, 1135877, 1255443, 3407631, 3766329, 7951139, 10222893, 23853417, 71560251]

約数ペア:

[(1, 71560251), (3, 23853417), (7, 10222893), (9, 7951139), (19, 3766329), (21, 3407631), (57, 1255443), (63, 1135877), (133, 538047), (171, 418481), (191, 374661), (313, 228627), (399, 179349), (573, 124887), (939, 76209), (1197, 59783), (1337, 53523), (1719, 41629), (2191, 32661), (2817, 25403), (3629, 19719), (4011, 17841), (5947, 12033), (6573, 10887)]