215024139

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 362509056

約数和(自身を除く): 147484917

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 103, 121, 213, 243, 297, 309, 363, 639, 781, 891, 927, 1089, 1133, 1917, 2343, 2673, 2781, 3267, 3399, 5751, 7029, 7313, 8343, 8591, 9801, 10197, 12463, 17253, 21087, 21939, 25029, 25773, 29403, 30591, 37389, 63261, 65817, 77319, 80443, 91773, 112167, 189783, 197451, 231957, 241329, 275319, 336501, 592353, 695871, 723987, 884873, 1009503, 1777059, 2087613, 2171961, 2654619, 3028509, 6515883, 7963857, 19547649, 23891571, 71674713, 215024139]

約数ペア:

[(1, 215024139), (3, 71674713), (9, 23891571), (11, 19547649), (27, 7963857), (33, 6515883), (71, 3028509), (81, 2654619), (99, 2171961), (103, 2087613), (121, 1777059), (213, 1009503), (243, 884873), (297, 723987), (309, 695871), (363, 592353), (639, 336501), (781, 275319), (891, 241329), (927, 231957), (1089, 197451), (1133, 189783), (1917, 112167), (2343, 91773), (2673, 80443), (2781, 77319), (3267, 65817), (3399, 63261), (5751, 37389), (7029, 30591), (7313, 29403), (8343, 25773), (8591, 25029), (9801, 21939), (10197, 21087), (12463, 17253)]