64190745

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 119508480

約数和(自身を除く): 55317735

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 71, 111, 135, 181, 185, 213, 333, 355, 543, 555, 639, 905, 999, 1065, 1629, 1665, 1917, 2627, 2715, 3195, 4887, 4995, 6697, 7881, 8145, 9585, 12851, 13135, 20091, 23643, 24435, 33485, 38553, 39405, 60273, 64255, 70929, 100455, 115659, 118215, 180819, 192765, 301365, 346977, 354645, 475487, 578295, 904095, 1426461, 1734885, 2377435, 4279383, 7132305, 12838149, 21396915, 64190745]

約数ペア:

[(1, 64190745), (3, 21396915), (5, 12838149), (9, 7132305), (15, 4279383), (27, 2377435), (37, 1734885), (45, 1426461), (71, 904095), (111, 578295), (135, 475487), (181, 354645), (185, 346977), (213, 301365), (333, 192765), (355, 180819), (543, 118215), (555, 115659), (639, 100455), (905, 70929), (999, 64255), (1065, 60273), (1629, 39405), (1665, 38553), (1917, 33485), (2627, 24435), (2715, 23643), (3195, 20091), (4887, 13135), (4995, 12851), (6697, 9585), (7881, 8145)]