81932985

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 71283015

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 47, 111, 135, 141, 185, 235, 333, 349, 423, 555, 705, 999, 1047, 1269, 1665, 1739, 1745, 2115, 3141, 4995, 5217, 5235, 6345, 8695, 9423, 12913, 15651, 15705, 16403, 26085, 38739, 46953, 47115, 49209, 64565, 78255, 82015, 116217, 147627, 193695, 234765, 246045, 348651, 442881, 581085, 606911, 738135, 1743255, 1820733, 2214405, 3034555, 5462199, 9103665, 16386597, 27310995, 81932985]

約数ペア:

[(1, 81932985), (3, 27310995), (5, 16386597), (9, 9103665), (15, 5462199), (27, 3034555), (37, 2214405), (45, 1820733), (47, 1743255), (111, 738135), (135, 606911), (141, 581085), (185, 442881), (235, 348651), (333, 246045), (349, 234765), (423, 193695), (555, 147627), (705, 116217), (999, 82015), (1047, 78255), (1269, 64565), (1665, 49209), (1739, 47115), (1745, 46953), (2115, 38739), (3141, 26085), (4995, 16403), (5217, 15705), (5235, 15651), (6345, 12913), (8695, 9423)]