77903685

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 62945595

約数列:

[1, 3, 5, 9, 15, 37, 45, 71, 111, 185, 213, 333, 355, 555, 639, 659, 1065, 1665, 1977, 2627, 3195, 3295, 5931, 7881, 9885, 13135, 23643, 24383, 29655, 39405, 46789, 73149, 118215, 121915, 140367, 219447, 233945, 365745, 421101, 701835, 1097235, 1731193, 2105505, 5193579, 8655965, 15580737, 25967895, 77903685]

約数ペア:

[(1, 77903685), (3, 25967895), (5, 15580737), (9, 8655965), (15, 5193579), (37, 2105505), (45, 1731193), (71, 1097235), (111, 701835), (185, 421101), (213, 365745), (333, 233945), (355, 219447), (555, 140367), (639, 121915), (659, 118215), (1065, 73149), (1665, 46789), (1977, 39405), (2627, 29655), (3195, 24383), (3295, 23643), (5931, 13135), (7881, 9885)]